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cpposix - ืžืงื•ื•ืŸ ื‘ืขื ืŸ

ื”ืคืขืœ ืืช cpposix ื‘ืกืคืง ืื™ืจื•ื— ื—ื™ื ืžื™ ืฉืœ OnWorks ืขืœ Ubuntu Online, Fedora Online, ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ Windows ืื• ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ MAC OS

ื–ื•ื”ื™ ื”ืคืงื•ื“ื” cpposix ืฉื ื™ืชืŸ ืœื”ืคืขื™ืœ ื‘ืกืคืง ื”ืื™ืจื•ื— ื”ื—ื™ื ืžื™ ืฉืœ OnWorks ื‘ืืžืฆืขื•ืช ืื—ืช ืžืชื—ื ื•ืช ื”ืขื‘ื•ื“ื” ื”ืžืงื•ื•ื ื•ืช ื”ืžืจื•ื‘ื•ืช ืฉืœื ื•, ื›ื’ื•ืŸ Ubuntu Online, Fedora Online, ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ Windows ืื• ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ MAC OS

ืชึธื›ึฐื ึดื™ืช:

ืฉืึตื


cp - ื”ืขืชืงืช ืงื‘ืฆื™ื

ืชึทืงืฆึดื™ืจ


cp [-Pfip] ืงื•ื‘ืฅ ืžืงื•ืจ ืงื•ื‘ืฅ ืžื˜ืจื”

cp [-Pfip] ืงื•ื‘ืฅ ืžืงื•ืจ... ื™ืขื“

cp -R [โˆ’H|โˆ’L|โˆ’P] [-fip] ืงื•ื‘ืฅ ืžืงื•ืจ... ื™ืขื“

ืชื™ืื•ืจ


ื˜ื•ืคืก ื”ืชืงืฆื™ืจ ื”ืจืืฉื•ืŸ ืžืกื•ืžืŸ ืขืœ ื™ื“ื™ ืฉื ื™ ืื•ืคืจื ื“ื™ื, ืฉืืฃ ืื—ื“ ืžื”ื ืื™ื ื• ืงื‘ืฆื™ื ืงื™ื™ืžื™ื ืฉืœ
ื”ืงืœื“ ืกืคืจื™ื™ื”. ื” cp ื”ืฉื™ืจื•ืช ื™ืขืชื™ืง ืืช ื”ืชื•ื›ืŸ ืฉืœ ืงื•ื‘ืฅ ืžืงื•ืจ (ืื• ืื ืงื•ื‘ืฅ ืžืงื•ืจ
ื”ื•ื ืงื•ื‘ืฅ ืžืกื•ื’ ืงื™ืฉื•ืจ ืกืžืœื™, ื”ืชื•ื›ืŸ ืฉืœ ื”ืงื•ื‘ืฅ ืžืคื ื” ืขืœ ื™ื“ื™ ืงื•ื‘ืฅ ืžืงื•ืจ) ื›ื“ื™
ื ืชื™ื‘ ื”ื™ืขื“ ืฉื ืงืจื ืขืœ ื™ื“ื™ ืงื•ื‘ืฅ ืžื˜ืจื”.

ืฆื•ืจืช ื”ืชืงืฆื™ืจ ื”ืฉื ื™ ืžืกื•ืžื ืช ืขืœ ื™ื“ื™ ืฉื ื™ ืื•ืคืจื ื“ื™ื ืื• ื™ื•ืชืจ ื›ืืฉืจ ื”- -ืจ ื”ืื•ืคืฆื™ื” ืื™ื ื”
ืฆื•ื™ืŸ ื•ื˜ื•ืคืก ื”ืชืงืฆื™ืจ ื”ืจืืฉื•ืŸ ืื™ื ื• ื™ืฉื™ื. ื–ื• ืชื”ื™ื” ื˜ืขื•ืช ืื ื‘ื›ืœืœ
ืงื•ื‘ืฅ ืžืงื•ืจ ื”ื•ื ืงื•ื‘ืฅ ืžืกื•ื’ ืกืคืจื™ื™ื”, if ื™ืขื“ ืœื ืงื™ื™ื, ืื• ืื ื™ืขื“ ืœื
ืฉื ืกืคืจื™ื™ื”. ื” cp ื”ืฉื™ืจื•ืช ื™ืขืชื™ืง ืืช ื”ืชื•ื›ืŸ ืฉืœ ื›ืœ ืื—ื“ ืžื”ื ืงื•ื‘ืฅ ืžืงื•ืจ (ืื• ืื
ืงื•ื‘ืฅ ืžืงื•ืจ ื”ื•ื ืงื•ื‘ืฅ ืžืกื•ื’ ืงื™ืฉื•ืจ ืกืžืœื™, ื”ืชื•ื›ืŸ ืฉืœ ื”ืงื•ื‘ืฅ ืžืคื ื” ืขืœ ื™ื“ื™
ืงื•ื‘ืฅ ืžืงื•ืจ) ืœื ืชื™ื‘ ื”ื™ืขื“ ืฉื ืงืจื ืขืœ ื™ื“ื™ ื”ืฉืจืฉื•ืจ ืฉืœ ื™ืขื“, ื‘ื•ื“ื“
ืชื• ืื ื™ืขื“ ืœื ื ื’ืžืจ ื‘ื , ื•ื”ืจื›ื™ื‘ ื”ืื—ืจื•ืŸ ืฉืœ
ืงื•ื‘ืฅ ืžืงื•ืจ.

ืฆื•ืจืช ื”ืชืงืฆื™ืจ ื”ืฉืœื™ืฉื™ืช ืžืกื•ืžื ืช ืขืœ ื™ื“ื™ ืฉื ื™ ืื•ืคืจื ื“ื™ื ืื• ื™ื•ืชืจ ื›ืืฉืจ ื”- -ืจ ื”ืืคืฉืจื•ืช ื”ื™ื
ื ึธืงื•ึผื‘. ื” cp ื›ืœื™ ื”ืฉื™ืจื•ืช ื™ืขืชื™ืง ื›ืœ ืงื•ื‘ืฅ ื‘ื”ื™ืจืจื›ื™ื™ืช ื”ืงื‘ืฆื™ื ื”ืžื•ืฉืจืฉืช ื‘ื›ืœ ืื—ื“ ืžื”ื
ืงื•ื‘ืฅ ืžืงื•ืจ ืœื ืชื™ื‘ ื™ืขื“ ื‘ืฉื ื›ืš:

* ืื ื™ืขื“ ืงื™ื™ื ื•ืžืขื ื™ืง ืฉืžื•ืช ืœืกืคืจื™ื™ื” ืงื™ื™ืžืช, ืฉื ื”ืชื•ืื
ื ืชื™ื‘ ื™ืขื“ ืขื‘ื•ืจ ื›ืœ ืงื•ื‘ืฅ ื‘ื”ื™ืจืจื›ื™ื™ืช ื”ืงื‘ืฆื™ื ื™ื”ื™ื” ืฉืจืฉื•ืจ ืฉืœ
ื™ืขื“, ื‘ื•ื“ื“ ืชื• ืื ื™ืขื“ ืœื ื ื’ืžืจ ื‘ื , ื•ื”
ืฉื ื”ื ืชื™ื‘ ืฉืœ ื”ืงื•ื‘ืฅ ื‘ื™ื—ืก ืœืกืคืจื™ื™ื” ื”ืžื›ื™ืœื” ืงื•ื‘ืฅ ืžืงื•ืจ.

* ืื ื™ืขื“ ืื™ื ื• ืงื™ื™ื ื•ืžืฆื•ื™ื ื™ื ืฉื ื™ ืื•ืคืจื ื“ื™ื, ืฉื ื”ืชื•ืื
ื ืชื™ื‘ ื™ืขื“ ืขื‘ื•ืจ ืงื•ื‘ืฅ ืžืงื•ืจ ืืžื•ืจ ืœื”ื™ื•ืช ื™ืขื“; ื”ืฉื ืฉืœ ื”ืžืงื‘ื™ืœ
ื ืชื™ื‘ ื”ื™ืขื“ ืขื‘ื•ืจ ื›ืœ ืฉืืจ ื”ืงื‘ืฆื™ื ื‘ื”ื™ืจืจื›ื™ื™ืช ื”ืงื‘ืฆื™ื ื™ื”ื™ื” ื”ืฉืจืฉื•ืจ
of ื™ืขื“, ื ืชื•, ื•ืฉื ื”ื ืชื™ื‘ ืฉืœ ื”ืงื•ื‘ืฅ ื‘ื™ื—ืก ืœ ืงื•ื‘ืฅ ืžืงื•ืจ.

ื–ื• ืชื”ื™ื” ื˜ืขื•ืช ืื ื™ืขื“ ืื™ื ื• ืงื™ื™ื ื•ืžืฆื•ื™ื ื™ื ื™ื•ืชืจ ืžืฉื ื™ ืื•ืคืจื ื“ื™ื, ืื•
if ื™ืขื“ ืงื™ื™ื ื•ืื™ื ื• ื ื•ืชืŸ ืฉื ืกืคืจื™ื™ื”.

ื‘ืชื™ืื•ืจ ื”ื‘ื, ื”ืžื•ื ื— dest_file ืžืชื™ื™ื—ืก ืœืงื•ื‘ืฅ ืฉืฉืžื• ื”-
ื ืชื™ื‘ ื™ืขื“. ื”ืชื ืื™ ืงื•ื‘ืฅ ืžืงื•ืจ ืžืชื™ื™ื—ืก ืœืงื•ื‘ืฅ ื”ืžื•ืขืชืง, ืื
ืฉืฆื•ื™ืŸ ื›ืื•ืคืจื ื“ ืื• ืงื•ื‘ืฅ ื‘ื”ื™ืจืจื›ื™ื™ืช ืงื‘ืฆื™ื ื”ืžื•ืฉืจืฉืช ื‘-a ืงื•ื‘ืฅ ืžืงื•ืจ ืื•ืคืจื ื“. ืื
ืงื•ื‘ืฅ ืžืงื•ืจ ื”ื•ื ืงื•ื‘ืฅ ืžืกื•ื’ ืงื™ืฉื•ืจ ืกืžืœื™:

* ืื ื” -ืจ ื”ืืคืฉืจื•ืช ืœื ืฆื•ื™ื ื”, cp ื™ื ืงื•ื˜ ืคืขื•ืœื•ืช ื‘ื”ืชื‘ืกืก ืขืœ ืกื•ื’ ื•
ืชื•ื›ืŸ ื”ืงื•ื‘ืฅ ืฉืืœื™ื• ืžืชื™ื™ื—ืก ื”ืงื™ืฉื•ืจ ื”ืกืžืœื™, ื•ืœื ื‘ืืžืฆืขื•ืช ื”ืงื™ืฉื•ืจ ื”ืกืžืœื™
ืขืฆืžื•, ืืœื ืื ื›ืŸ -ืค ืฆื•ื™ื ื” ืืคืฉืจื•ืช.

* ืื ื” -ืจ ืฆื•ื™ื ื” ืืคืฉืจื•ืช:

-- ืื ืืฃ ืื—ืช ืžื”ืืคืฉืจื•ื™ื•ืช -ื—, -ืœ, ื•ืœื -ืค ืฆื•ื™ื ื•, ืœื ืžืฆื•ื™ืŸ ืื™ื–ื” ืžื‘ื™ืŸ
-ื—, -ืœ, ืื• -ืค ื™ืฉืžืฉ ื›ื‘ืจื™ืจืช ืžื—ื“ืœ.

-- ืื ื” -ื— ืฆื•ื™ื ื” ืืคืฉืจื•ืช, cp ื™ื ืงื•ื˜ ืคืขื•ืœื•ืช ื‘ื”ืชื‘ืกืก ืขืœ ืกื•ื’ ื•
ืชื•ื›ืŸ ื”ืงื•ื‘ืฅ ืฉืืœื™ื• ืžืชื™ื™ื—ืก ื›ืœ ืงื™ืฉื•ืจ ืกืžืœื™ ืฉืฆื•ื™ืŸ ื›-a ืงื•ื‘ืฅ ืžืงื•ืจ
ืื•ืคืจื ื“.

-- ืื ื” -ืœ ืฆื•ื™ื ื” ืืคืฉืจื•ืช, cp ื™ื ืงื•ื˜ ืคืขื•ืœื•ืช ื‘ื”ืชื‘ืกืก ืขืœ ืกื•ื’ ื•
ืชื•ื›ืŸ ื”ืงื•ื‘ืฅ ืฉืืœื™ื• ืžืชื™ื™ื—ืก ื›ืœ ืงื™ืฉื•ืจ ืกืžืœื™ ืฉืฆื•ื™ืŸ ื›-a ืงื•ื‘ืฅ ืžืงื•ืจ
ืื•ืคืจื ื“ ืื• ืงื™ืฉื•ืจื™ื ืกืžืœื™ื™ื ื›ืœืฉื”ื ืฉื ืชืงืœื• ื‘ืžื”ืœืš ืžืขื‘ืจ ื‘ื”ื™ืจืจื›ื™ื™ืช ืงื‘ืฆื™ื.

-- ืื ื” -ืค ืฆื•ื™ื ื” ืืคืฉืจื•ืช, cp ื™ืขืชื™ืง ื›ืœ ืงื™ืฉื•ืจ ืกืžืœื™ ืฉืฆื•ื™ืŸ ื›-a
ืงื•ื‘ืฅ ืžืงื•ืจ ืื•ืคืจื ื“ ื•ื›ืœ ืงื™ืฉื•ืจื™ื ืกืžืœื™ื™ื ืฉื ืชืงืœื• ื‘ืžื”ืœืš ื—ืฆื™ื™ืช ืงื•ื‘ืฅ
ื”ื™ืจืจื›ื™ื”, ื•ืœื ื™ืขืงื•ื‘ ืื—ืจ ืงื™ืฉื•ืจื™ื ืกืžืœื™ื™ื.

ืขื‘ื•ืจ ื›ืœ ืงื•ื‘ืฅ ืžืงื•ืจ, ื™ื™ื ืงื˜ื• ื”ืฆืขื“ื™ื ื”ื‘ืื™ื:

1. ืื ืงื•ื‘ืฅ ืžืงื•ืจ ืžืชื™ื™ื—ืก ืœืื•ืชื• ืงื•ื‘ืฅ ื›ืžื• dest_file, cp ื™ื›ื•ืœ ืœื›ืชื•ื‘ ืื‘ื—ื•ืŸ
ื”ื•ื“ืขื” ืœืฉื’ื™ืื” ืจื’ื™ืœื”; ื–ื” ืœื ื™ืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ ื•ื™ืžืฉื™ืš
ืœืงื‘ืฆื™ื ืฉื ื•ืชืจื•.

2. ืื ืงื•ื‘ืฅ ืžืงื•ืจ ื”ื•ื ืžืกื•ื’ ืกืคืจื™ื™ื”, ื™ื™ื ืงื˜ื• ื”ืฆืขื“ื™ื ื”ื‘ืื™ื:

ื. ืื ื” -ืจ ื”ืืคืฉืจื•ืช ืœื ืฆื•ื™ื ื”, cp ื™ื›ืชื•ื‘ ื”ื•ื“ืขืช ืื‘ื—ื•ืŸ ืœ
ืฉื’ื™ืืช ืชืงืŸ, ืืœ ืชืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ, ื•ื”ืžืฉื™ื›ื• ืœื›ืœ ืฉื ื•ืชืจ
ืงื‘ืฆื™ื.

ื‘. ืื ืงื•ื‘ืฅ ืžืงื•ืจ ืœื ืฆื•ื™ืŸ ื›ืื•ืคืจื ื“ ื• ืงื•ื‘ืฅ ืžืงื•ืจ ื”ื•ื ื ืงื•ื“ื” ืื• ื ืงื•ื“ื”-ื ืงื•ื“ื”,
cp ืœื ื™ืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ ื•ื”ืžืฉืš ืœืงื‘ืฆื™ื ืฉื ื•ืชืจื•.

ื’. ืื dest_file ืงื™ื™ื ื•ื–ื”ื• ืกื•ื’ ืงื•ื‘ืฅ ืฉืœื ืฆื•ื™ืŸ ื‘ืžืžืฉืงื™ ื”ืžืขืจื›ืช
ื ืคื— ืฉืœ POSIX.1-2008, ื”ื”ืชื ื”ื’ื•ืช ืžื•ื’ื“ืจืช ื‘ื™ื™ืฉื•ื.

ื“. ืื dest_file ืงื™ื™ื ื•ื–ื” ืœื ืžืกื•ื’ ืกืคืจื™ื™ื”, cp ื™ื›ืชื•ื‘ ืื‘ื—ื•ืŸ
ื”ื•ื“ืขื” ืœืฉื’ื™ืื” ืจื’ื™ืœื”, ืืœ ืชืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ ืื• ื›ืœ ืงื•ื‘ืฅ ืœืžื˜ื”
ืงื•ื‘ืฅ ืžืงื•ืจ ื‘ื”ื™ืจืจื›ื™ื™ืช ื”ืงื‘ืฆื™ื, ื•ื”ืžืฉืš ืœืงื‘ืฆื™ื ืฉื ื•ืชืจื•.

ื”. ืื ื”ืกืคืจื™ื™ื” dest_file ืœื ืงื™ื™ื, ื–ื” ื™ื™ื•ื•ืฆืจ ืขื ืงื•ื‘ืฅ
ืกื™ื‘ื™ื•ืช ื”ืจืฉืื” ืžื•ื’ื“ืจื•ืช ืœืื•ืชื• ืขืจืš ื›ืžื• ืืœื” ืฉืœ ืงื•ื‘ืฅ ืžืงื•ืจ, ืฉื•ื ื” ืขืœ ื™ื“ื™ ื”
ืžืกื›ืช ื™ืฆื™ืจืช ืงื•ื‘ืฅ ืฉืœ ื”ืžืฉืชืžืฉ ืื -ืขืž' ื”ืืคืฉืจื•ืช ืœื ืฆื•ื™ื ื”, ื•ืœืื—ืจ ืžื›ืŸ
OR'ed ื‘ืื•ืคืŸ ืกื™ื‘ื™-ื›ื•ืœืœ ืขื S_IRWXU. ืื dest_file ืœื ื ื™ืชืŸ ืœื™ืฆื•ืจ, cp ื™ื”ื™ื”
ื›ืชื•ื‘ ื”ื•ื“ืขืช ืื‘ื—ื•ืŸ ืœืฉื’ื™ืื” ืจื’ื™ืœื”, ืืœ ืชืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ,
ื•ื”ืžืฉืš ืœืงื‘ืฆื™ื ืฉื ื•ืชืจื•. ืœื ืžืฆื•ื™ืŸ ืื cp ืžื ืกื” ืœื”ืขืชื™ืง ืงื‘ืฆื™ื
ื‘ื”ื™ืจืจื›ื™ื™ืช ื”ืงื‘ืฆื™ื ื”ืžื•ืฉืจืฉืช ืงื•ื‘ืฅ ืžืงื•ืจ.

ื•. ื”ืงื‘ืฆื™ื ื‘ืกืคืจื™ื™ื” ืงื•ื‘ืฅ ืžืงื•ืจ ื™ื•ืขืชืงื• ืœืกืคืจื™ื™ื” dest_file,
ืœื•ืงื— ืืช ืืจื‘ืขืช ื”ืฉืœื‘ื™ื (1 ืขื“ 4) ื”ืžืคื•ืจื˜ื™ื ื›ืืŸ ืขื ื”ืงื‘ืฆื™ื ื› ืงื•ื‘ืฅ ืžืงื•ืจs.

ื–. ืื dest_file ื ื•ืฆืจ, ืกื™ื‘ื™ื•ืช ื”ืจืฉืืช ื”ืงื•ื‘ืฅ ืฉืœื• ื™ืฉืชื ื• (ื‘ืžื™ื“ืช ื”ืฆื•ืจืš)
ืœื”ื™ื•ืช ื–ื”ื” ืœืืœื• ืฉืœ ืงื•ื‘ืฅ ืžืงื•ืจ, ืฉื•ื ื” ืขืœ ื™ื“ื™ ืžืกื›ืช ื™ืฆื™ืจืช ื”ืงื•ื‘ืฅ ืฉืœ
ืžืฉืชืžืฉ ืื -ืขืž' ื”ืืคืฉืจื•ืช ืœื ืฆื•ื™ื ื”.

ื—. ื” cp ืฉื™ืจื•ืช ืœื ื™ืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ ื•ื”ืžืฉื™ื›ื• ืœื›ืœ ืฉื ื•ืชืจ
ืงื‘ืฆื™ื.

3. ืื ืงื•ื‘ืฅ ืžืงื•ืจ ื”ื•ื ืžืกื•ื’ ืงื•ื‘ืฅ ืจื’ื™ืœ, ื™ื™ื ืงื˜ื• ื”ืฆืขื“ื™ื ื”ื‘ืื™ื:

ื. ื”ื”ืชื ื”ื’ื•ืช ืื™ื ื” ืžื•ื’ื“ืจืช ืื dest_file ืงื™ื™ื ื•ื ื›ืชื‘ ืขืœ ื™ื“ื™ ืงื•ื“ื
ืฉืœื‘. ืื—ืจืช, ืื dest_file ืงื™ื™ื, ื™ื™ื ืงื˜ื• ื”ืฆืขื“ื™ื ื”ื‘ืื™ื:

ืื ื™. ืื ื” -ื™ ื”ืืคืฉืจื•ืช ื‘ืชื•ืงืฃ, ื” cp ื”ืฉื™ืจื•ืช ื™ื›ืชื•ื‘ ื”ื ื—ื™ื” ืœ
ืฉื’ื™ืืช ืชืงืŸ ื•ืงืจื ืฉื•ืจื” ืžื”ืงืœื˜ ื”ืกื˜ื ื“ืจื˜ื™. ืื ื”ืชื’ื•ื‘ื” ื”ื™ื
ืœื ื—ื™ื•ื‘ื™, cp ืœื ื™ืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ ื•ืœื”ืžืฉื™ืš ืœื›ืœ
ื”ืงื‘ืฆื™ื ื”ื ื•ืชืจื™ื.

ii. ืžืชืืจ ืงื•ื‘ืฅ ืขื‘ื•ืจ dest_file ื™ืชืงื‘ืœ ืขืœ ื™ื“ื™ ื‘ื™ืฆื•ืข ืคืขื•ืœื•ืช
ืฉื•ื•ื” ืขืจืš ืœ ืœืคืชื•ื—() ื”ืคื•ื ืงืฆื™ื” ื”ืžื•ื’ื“ืจืช ื‘ื ืคื— ืžืžืฉืงื™ ืžืขืจื›ืช ืฉืœ
POSIX.1-2008 ื ืงืจื ื‘ืืžืฆืขื•ืช dest_file ื›ืžื• ื ืชื™ื‘ ื˜ื™ืขื•ืŸ, ื•ื”ื—ืœืง-
ื›ื•ืœืœ OR ืฉืœ O_WRONLY ื•-O_TRUNC ื‘ืชื•ืจ ืื•ืœื’ ื•ื™ื›ื•ื—.

iii. ืื ื”ื ื™ืกื™ื•ืŸ ืœื”ืฉื™ื’ ืžืชืืจ ืงื•ื‘ืฅ ื ื›ืฉืœ ื•ื”- -ื• ื”ืืคืฉืจื•ืช ื ืžืฆืืช
ื”ืฉืคืขื”, cp ื™ื ืกื” ืœื”ืกื™ืจ ืืช ื”ืงื•ื‘ืฅ ืขืœ ื™ื“ื™ ื‘ื™ืฆื•ืข ืคืขื•ืœื•ืช ืฉื•ื•ืช ืขืจืš
ืืœ ื” ื”ืงื™ืฉื•ืจ() ื”ืคื•ื ืงืฆื™ื” ื”ืžื•ื’ื“ืจืช ื‘ื ืคื— ืžืžืฉืงื™ ืžืขืจื›ืช ืฉืœ
POSIX.1-2008 ื ืงืจื ื‘ืืžืฆืขื•ืช dest_file ื›ืžื• ื ืชื™ื‘ ื˜ึทืขึฒื ึธื”. ืื ื”ื ื™ืกื™ื•ืŸ ื”ื–ื”
ืžืฆืœื™ื—, cp ื™ืžืฉื™ืš ืขื ืฉืœื‘ 3ื‘.

ื‘. ืื dest_file ืื™ื ื• ืงื™ื™ื, ื™ืชืงื‘ืœ ืžืชืืจ ืงื•ื‘ืฅ ืขืœ ื™ื“ื™ ื‘ื™ืฆื•ืข
ืคืขื•ืœื•ืช ืฉื•ื•ืช ืขืจืš ืœ ืœืคืชื•ื—() ื”ืคื•ื ืงืฆื™ื” ื”ืžื•ื’ื“ืจืช ื‘ืืžืฆืขื™ ื”ืื—ืกื•ืŸ ืžืžืฉืงื™ ืžืขืจื›ืช
ืฉืœ POSIX.1-2008 ืฉื ืงืจื ื‘ืืžืฆืขื•ืช dest_file ื›ืžื• ื ืชื™ื‘ ื˜ื™ืขื•ืŸ, ื•ื”ื—ืœืง-
ื›ื•ืœืœ OR ืฉืœ O_WRONLY ื•-O_CREAT ื‘ืชื•ืจ ืื•ืœื’ ื˜ึทืขึฒื ึธื”. ื”ืจืฉืืช ื”ืงื•ื‘ืฅ
ื—ืชื™ื›ื•ืช ืฉืœ ืงื•ื‘ืฅ ืžืงื•ืจ ื™ื”ื™ื” ื” ืžืฆื‘ ื•ื™ื›ื•ื—.

ื’. ืื ื”ื ื™ืกื™ื•ืŸ ืœื”ืฉื™ื’ ืžืชืืจ ืงื•ื‘ืฅ ื ื›ืฉืœ, cp ื™ื›ืชื•ื‘ ืื‘ื—ื•ืŸ
ื”ื•ื“ืขื” ืœืฉื’ื™ืื” ืจื’ื™ืœื”, ืืœ ืชืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ, ื•ื”ืžืฉื™ื›ื• ืœื›ืœ
ื”ืงื‘ืฆื™ื ื”ื ื•ืชืจื™ื.

ื“. ื”ืชื•ื›ืŸ ืฉืœ ืงื•ื‘ืฅ ืžืงื•ืจ ื™ื™ื›ืชื‘ ืืœ ืžืชืืจ ื”ืงื•ื‘ืฅ. ื›ืœ ื›ืชื™ื‘ื”
ื˜ืขื•ื™ื•ืช ื™ื’ืจืžื• cp ืœื›ืชื•ื‘ ื”ื•ื“ืขืช ืื‘ื—ื•ืŸ ืœืฉื’ื™ืื” ืจื’ื™ืœื” ื•ืœื”ืžืฉื™ืš
ืœืฉืœื‘ 3ื”.

ื”. ืžืชืืจ ื”ืงื•ื‘ืฅ ื™ื™ืกื’ืจ.

ื•. ื” cp ืฉื™ืจื•ืช ืœื ื™ืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ. ืื ืื™ืจืขื” ืฉื’ื™ืืช ื›ืชื™ื‘ื”
ื‘ืฉืœื‘ 3d, ืœื ืžืฆื•ื™ืŸ ืื cp ืžืžืฉื™ืš ืขื ื›ืœ ื”ืงื‘ืฆื™ื ืฉื ื•ืชืจื•. ืื ืœื
ืฉื’ื™ืืช ื›ืชื™ื‘ื” ืื™ืจืขื” ื‘ืฉืœื‘ 3d, cp ื™ืžืฉื™ืš ืœื›ืœ ื”ืงื‘ืฆื™ื ืฉื ื•ืชืจื•.

4. ืื—ืจืช, ื” -ืจ ืฆื•ื™ื ื” ื”ืืคืฉืจื•ืช, ื•ื”ืฆืขื“ื™ื ื”ื‘ืื™ื ื™ื™ื ืงื˜ื•:

ื. ื” dest_file ื™ื™ื•ื•ืฆืจ ืขื ืื•ืชื• ืกื•ื’ ืงื•ื‘ืฅ ื›ืžื• ืงื•ื‘ืฅ ืžืงื•ืจ.

ื‘. ืื ืงื•ื‘ืฅ ืžืงื•ืจ ื”ื•ื ืงื•ื‘ืฅ ืžืกื•ื’ FIFO, ืกื™ื‘ื™ื•ืช ื”ื”ืจืฉืื” ืœืงื•ื‘ืฅ ื™ื”ื™ื• ื–ื”ื•ืช
ื›ืžื• ืืœื” ืฉืœ ืงื•ื‘ืฅ ืžืงื•ืจ, ืฉื•ื ื” ืขืœ ื™ื“ื™ ืžืกื›ืช ื™ืฆื™ืจืช ื”ืงื•ื‘ืฅ ืฉืœ ื”ืžืฉืชืžืฉ ืื -ืขืž'
ื”ืืคืฉืจื•ืช ืœื ืฆื•ื™ื ื”. ืื—ืจืช, ื”ื”ืจืฉืื•ืช, ืžื–ื”ื” ื”ื‘ืขืœื™ื ื•ืžื–ื”ื” ื”ืงื‘ื•ืฆื” ืฉืœ
dest_file ืžื•ื’ื“ืจื•ืช ื™ื™ืฉื•ื.

ืื ื”ื™ืฆื™ืจื” ื”ื–ื• ื ื›ืฉืœืช ืžืกื™ื‘ื” ื›ืœืฉื”ื™, cp ื™ื›ืชื•ื‘ ื”ื•ื“ืขืช ืื‘ื—ื•ืŸ ืœ
ืฉื’ื™ืืช ืชืงืŸ, ืืœ ืชืขืฉื” ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ, ื•ื”ืžืฉื™ื›ื• ืœื›ืœ ืฉื ื•ืชืจ
ืงื‘ืฆื™ื.

ื’. ืื ืงื•ื‘ืฅ ืžืงื•ืจ ื”ื•ื ืงื•ื‘ืฅ ืžืกื•ื’ ืงื™ืฉื•ืจ ืกืžืœื™, ื•ื”ืืคืฉืจื•ื™ื•ืช ื“ื•ืจืฉื•ืช ืืช
ื”ืงื™ืฉื•ืจ ื”ืกืžืœื™ ืขืฆืžื• ืฉื™ืฉ ืœืคืขื•ืœ ืขืœื™ื•, ืฉื ื”ื ืชื™ื‘ ื”ื›ืœื•ืœ ื‘ dest_file ื™ื”ื™ื”
ื™ื”ื™ื” ื–ื”ื” ืœืฉื ื”ื ืชื™ื‘ ื”ื›ืœื•ืœ ื‘ ืงื•ื‘ืฅ ืžืงื•ืจ.

ืื ื–ื” ื ื›ืฉืœ ืžืกื™ื‘ื” ื›ืœืฉื”ื™, cp ื™ื›ืชื•ื‘ ื”ื•ื“ืขืช ืื‘ื—ื•ืŸ ืœืชืงืŸ
ืฉื’ื™ืื”, ืœื ืœืขืฉื•ืช ื™ื•ืชืจ ืขื ืงื•ื‘ืฅ ืžืงื•ืจ, ื•ื”ืžืฉืš ืœืงื‘ืฆื™ื ืฉื ื•ืชืจื•.

ืื ื”ื™ื™ืฉื•ื ืžืกืคืง ืžื ื’ื ื•ื ื™ ื‘ืงืจืช ื’ื™ืฉื” ื ื•ืกืคื™ื ืื• ื—ืœื•ืคื™ื™ื (ืจืื” ืืช
ื ืคื— ื”ื’ื“ืจื•ืช ื‘ืกื™ืก ืฉืœ POSIX.1-2008, ืกืขื™ืฃ 4.4, ืฉืœื— ื’ึดื™ืฉืึธื” ื”ืจืฉืื•ืช), ืฉืœื”ื
ื”ื”ืฉืคืขื” ืขืœ ืขื•ืชืงื™ื ืฉืœ ืงื‘ืฆื™ื ืžื•ื’ื“ืจืช ื‘ื™ื™ืฉื•ื.

ืืคืฉืจื•ื™ื•ืช


ืืœ ื”ืื ื™ cp ื›ืœื™ ื”ืฉื™ืจื•ืช ื™ืชืื™ื ืœื ืคื— ื”ื’ื“ืจื•ืช ื”ื‘ืกื™ืก ืฉืœ POSIX.1-2008, ืกืขื™ืฃ 12.2,
ืฉื™ืจื•ืช ืชื—ื‘ื™ืจ ื”ื ื—ื™ื•ืช.

ื”ืืคืฉืจื•ื™ื•ืช ื”ื‘ืื•ืช ื™ืชืžื›ื•:

-ื• ืื ืœื ื ื™ืชืŸ ืœื”ืฉื™ื’ ืžืชืืจ ืงื•ื‘ืฅ ืขื‘ื•ืจ ืงื•ื‘ืฅ ื™ืขื“, ื›ืžืชื•ืืจ ื‘
ืฉืœื‘ 3.a.ii., ื ืกื” ืœื‘ื˜ืœ ืืช ืงื™ืฉื•ืจ ืงื•ื‘ืฅ ื”ื™ืขื“ ื•ืœื”ืžืฉื™ืš.

-ื— ื‘ืฆืข ืคืขื•ืœื•ืช ื‘ื”ืชื‘ืกืก ืขืœ ื”ืกื•ื’ ื•ื”ืชื•ื›ืŸ ืฉืœ ื”ืงื•ื‘ืฅ ืฉืืœื™ื• ืžืชื™ื™ื—ืก ื›ืœ ืื—ื“
ืงื™ืฉื•ืจ ืกืžืœื™ ืฉืฆื•ื™ืŸ ื›-a ืงื•ื‘ืฅ ืžืงื•ืจ ืื•ืคืจื ื“.

-ื™ ื›ืชื•ื‘ ื”ื•ื“ืขื” ืœืฉื’ื™ืื” ืจื’ื™ืœื” ืœืคื ื™ ื”ืขืชืงื” ืœื›ืœ ืกืคืจื™ื™ื” ืงื™ื™ืžืช ืฉืื™ื ื” ืงื™ื™ืžืช
ืงื•ื‘ืฅ ื™ืขื“. ืื ื”ืชื’ื•ื‘ื” ืžื”ืงืœื˜ ื”ืกื˜ื ื“ืจื˜ื™ ื—ื™ื•ื‘ื™ืช, ื”
ื™ืฉ ืœื ืกื•ืช ืœื”ืขืชื™ืง; ืื—ืจืช, ื–ื” ืœื ื™ื”ื™ื”.

-ืœ ื‘ืฆืข ืคืขื•ืœื•ืช ื‘ื”ืชื‘ืกืก ืขืœ ื”ืกื•ื’ ื•ื”ืชื•ื›ืŸ ืฉืœ ื”ืงื•ื‘ืฅ ืฉืืœื™ื• ืžืชื™ื™ื—ืก ื›ืœ ืื—ื“
ืงื™ืฉื•ืจ ืกืžืœื™ ืฉืฆื•ื™ืŸ ื›-a ืงื•ื‘ืฅ ืžืงื•ืจ ืื•ืคืจื ื“ ืื• ืงื™ืฉื•ืจื™ื ืกืžืœื™ื™ื ื›ืœืฉื”ื
ื ืชืงืœ ื‘ืžื”ืœืš ืžืขื‘ืจ ื‘ื”ื™ืจืจื›ื™ื™ืช ืงื‘ืฆื™ื.

-ืค ื‘ืฆืข ืคืขื•ืœื•ืช ื‘ื›ืœ ืงื™ืฉื•ืจ ืกืžืœื™ ืฉืฆื•ื™ืŸ ื›-a ืงื•ื‘ืฅ ืžืงื•ืจ ืื•ืคืจื ื“ ืื• ื›ืœ ื“ื‘ืจ ืื—ืจ
ืงื™ืฉื•ืจ ืกืžืœื™ ืฉื ืชืงืœ ื‘ืžื”ืœืš ืžืขื‘ืจ ื‘ื”ื™ืจืจื›ื™ื™ืช ืงื‘ืฆื™ื.

-ืขืž' ืฉื›ืคืœ ืืช ื”ืžืืคื™ื™ื ื™ื ื”ื‘ืื™ื ืฉืœ ื›ืœ ืงื•ื‘ืฅ ืžืงื•ืจ ื‘ืงื•ื‘ืฅ ื”ืžืชืื™ื
ืงื•ื‘ืฅ ื™ืขื“:

1. ื–ืžืŸ ื”ืฉื™ื ื•ื™ ื”ืื—ืจื•ืŸ ื‘ื ืชื•ื ื™ื ื•ื–ืžืŸ ื”ื’ื™ืฉื” ื”ืื—ืจื•ื ื”. ืื ื–ื”
ืฉื›ืคื•ืœ ื ื›ืฉืœ ืžื›ืœ ืกื™ื‘ื” ืฉื”ื™ื, cp ื™ื›ืชื•ื‘ ื”ื•ื“ืขืช ืื‘ื—ื•ืŸ ืœ
ืฉื’ื™ืืช ืชืงืŸ.

2. ืžื–ื”ื” ื”ืžืฉืชืžืฉ ื•ืžื–ื”ื” ื”ืงื‘ื•ืฆื”. ืื ื”ืฉื›ืคื•ืœ ื”ื–ื” ื ื›ืฉืœ ืžืกื™ื‘ื” ื›ืœืฉื”ื™, ื–ื” ื›ืŸ
ืœื ืžื•ื’ื“ืจ ืื cp ื›ื•ืชื‘ ื”ื•ื“ืขืช ืื‘ื—ื•ืŸ ืœืฉื’ื™ืื” ืกื˜ื ื“ืจื˜ื™ืช.

3. ืกื™ื‘ื™ื•ืช ื”ืจืฉืืช ื”ืงื•ื‘ืฅ ื•ื”ืกื™ื‘ื™ื•ืช S_ISUID ื•-S_ISGID. ืึทื—ึตืจ,
ื”ืžื•ื’ื“ืจื™ื ื‘ื™ื™ืฉื•ื, ืกื™ื‘ื™ื•ืช ืขืฉื•ื™ื•ืช ืœื”ื™ื•ืช ืžืฉื•ื›ืคืœื•ืช ื’ื ื›ืŸ. ืื ื”ื›ืคื™ืœื•ืช ื”ื–ื•
ื ื›ืฉืœ ืžื›ืœ ืกื™ื‘ื” ืฉื”ื™ื, cp ื™ื›ืชื•ื‘ ื”ื•ื“ืขืช ืื‘ื—ื•ืŸ ืœืฉื’ื™ืืช ืชืงืŸ.

ืื ืœื ื ื™ืชืŸ ืœืฉื›ืคืœ ืืช ืžื–ื”ื” ื”ืžืฉืชืžืฉ ืื• ืืช ืžื–ื”ื” ื”ืงื‘ื•ืฆื”, ืกื™ื‘ื™ื•ืช ื”ื”ืจืฉืื” ืฉืœ ื”ืงื•ื‘ืฅ
S_ISUID ื•-S_ISGID ื™ื™ืžื—ืงื•. ืื ืกื™ื‘ื™ื•ืช ืืœื• ืงื™ื™ืžื•ืช ื‘ืžืงื•ืจ
ืงื•ื‘ืฅ ืืš ืื™ื ื ืžืฉื•ื›ืคืœื™ื ื‘ืงื•ื‘ืฅ ื”ื™ืขื“, ืœื ืžืฆื•ื™ืŸ ืื
cp ื›ื•ืชื‘ ื”ื•ื“ืขืช ืื‘ื—ื•ืŸ ืœืฉื’ื™ืื” ืกื˜ื ื“ืจื˜ื™ืช.

ื”ืกื“ืจ ืฉื‘ื• ืžืฉื•ื›ืคืœื™ื ื”ืžืืคื™ื™ื ื™ื ื”ืงื•ื“ืžื™ื ืื™ื ื• ืžื•ื’ื“ืจ.
ืืœ ื”ืื ื™ dest_file ืœื ื™ื™ืžื—ืง ืื ืœื ื ื™ืชืŸ ืœืฉืžืจ ืืช ื”ืžืืคื™ื™ื ื™ื ื”ืœืœื•.

-ืจ ื”ืขืชืง ื”ื™ืจืจื›ื™ื•ืช ืฉืœ ืงื‘ืฆื™ื.

ืฆื™ื•ืŸ ื™ื•ืชืจ ืžืื—ืช ืžื”ืืคืฉืจื•ื™ื•ืช ื”ื‘ืœืขื“ื™ื•ืช ื”ื“ื“ื™ืช -ื—, -ืœ, ื• -ืค ืœื ื™ื”ื™ื”
ื ื—ืฉื‘ ืœื˜ืขื•ืช. ื”ืืคืฉืจื•ืช ื”ืื—ืจื•ื ื” ืฉืฆื•ื™ื ื” ืชืงื‘ืข ืืช ื”ืชื ื”ื’ื•ืช ื”-
ืชื•ึนืขึถืœึถืช.

ืื•ืคืจื ื“ื™ื


ื”ืื•ืคืจื ื“ื™ื ื”ื‘ืื™ื ื™ื”ื™ื• ื ืชืžื›ื™ื:

ืงื•ื‘ืฅ ืžืงื•ืจ
ืฉื ื ืชื™ื‘ ืฉืœ ืงื•ื‘ืฅ ืœื”ืขืชืงื”. ืื ืงื•ื‘ืฅ ืžืงื•ืจ ืื•ืคืจื ื“ ื”ื•ื '-', ื–ื” ื™ื”ื™ื”
ืขื™ื™ืŸ ื‘ืงื•ื‘ืฅ ื‘ืฉื -; ื™ื™ืฉื•ืžื™ื ืœื ื™ืชื™ื™ื—ืกื• ืืœื™ื• ื›ืืœ ืชืงืŸ ืžืฉืžืขื•ืช
ืงึถืœึถื˜.

ืงื•ื‘ืฅ ืžื˜ืจื”
ืฉื ื ืชื™ื‘ ืฉืœ ืงื•ื‘ืฅ ืงื™ื™ื ืื• ืœื ืงื™ื™ื, ื”ืžืฉืžืฉ ืขื‘ื•ืจ ื”ืคืœื˜ ื›ืืฉืจ ื”ื•ื ื™ื—ื™ื“
ื”ืงื•ื‘ืฅ ืžื•ืขืชืง. ืื ืงื•ื‘ืฅ ืžื˜ืจื” ืื•ืคืจื ื“ ื”ื•ื '-', ื”ื•ื ื™ืคื ื” ืœืงื•ื‘ืฅ ื‘ืฉื
-; ื™ื™ืฉื•ืžื™ื ืœื ื™ืชื™ื™ื—ืกื• ืืœื™ื• ื›ืืœ ืคืœื˜ ืกื˜ื ื“ืจื˜ื™.

ื™ืขื“ ืฉื ื ืชื™ื‘ ืฉืœ ืกืคืจื™ื™ื” ืฉืชื›ื™ืœ ืืช ื”ืงื‘ืฆื™ื ืฉื”ื•ืขืชืงื•.

STDIN


ื”ืงืœื˜ ื”ืกื˜ื ื“ืจื˜ื™ ื™ืฉืžืฉ ืœืงืจื™ืืช ืฉื•ืจืช ืงืœื˜ ื‘ืชื’ื•ื‘ื” ืœื›ืœ ื”ื ื—ื™ื”
ื”ืžืฆื•ื™ืŸ ื‘ืกืขื™ืฃ STDERR. ืื—ืจืช, ืœื ื™ื™ืขืฉื” ืฉื™ืžื•ืฉ ื‘ืงืœื˜ ื”ืกื˜ื ื“ืจื˜ื™.

ืงืœื˜ ืงื‘ืฆื™ื


ืงื‘ืฆื™ ื”ืงืœื˜ ืฉืฆื•ื™ื ื• ื›ืื•ืคืจื ื“ื™ื ืขืฉื•ื™ื™ื ืœื”ื™ื•ืช ืžื›ืœ ืกื•ื’ ืงื•ื‘ืฅ.

ื”ืกื‘ื™ื‘ื” ื•ืจื™ืืฆื™ื•ืช


ืžืฉืชื ื™ ื”ืกื‘ื™ื‘ื” ื”ื‘ืื™ื ื™ืฉืคื™ืขื• ืขืœ ื”ื‘ื™ืฆื•ืข ืฉืœ cp:

ืฉืคื” ืกืคืง ืขืจืš ื‘ืจื™ืจืช ืžื—ื“ืœ ืขื‘ื•ืจ ืžืฉืชื ื™ ื”ื‘ื™ื ืื•ื ืฉืื™ื ื ืžื•ื’ื“ืจื™ื ืื•
ืจื™ืง. (ืจืื” ืืช ื”ื›ืจืš ืฉืœ ื”ื’ื“ืจื•ืช ื”ื‘ืกื™ืก ืฉืœ POSIX.1-2008, ืกืขื™ืฃ 8.2,
ื‘ื™ื ืื•ื ืžืฉืชื ื™ื ื‘ืขื“ ื”ื‘ื›ื•ืจื” ืฉืœ ื‘ื™ื ืื•ื
ืžืฉืชื ื™ื ื”ืžืฉืžืฉื™ื ืœืงื‘ื™ืขืช ื”ืขืจื›ื™ื ืฉืœ ืงื˜ื’ื•ืจื™ื•ืช ืžืงื•ืžื™ื•ืช.)

LC_ALL ืื ืžื•ื’ื“ืจ ืœืขืจืš ืžื—ืจื•ื–ืช ืœื ืจื™ืงื”, ืขื•ืงืฃ ืืช ื”ืขืจื›ื™ื ืฉืœ ื›ืœ ื”ืื—ืจื™ื
ืžืฉืชื ื™ ื‘ื™ื ืื•ื.

LC_COLLATE
ืงื‘ืข ืืช ื”ืžืงื•ื ืœื”ืชื ื”ื’ื•ืช ืฉืœ ื˜ื•ื•ื—ื™ื, ืžื—ืœืงื•ืช ืฉืงื™ืœื•ืช ื•ืจื‘-
ืจื›ื™ื‘ื™ ืื™ืกื•ืฃ ืชื•ื•ื™ื ื”ืžืฉืžืฉื™ื ื‘ื‘ื™ื˜ื•ื™ ื”ืจื’ื•ืœืจื™ ื”ืžื•ืจื—ื‘ ืฉื”ื•ื’ื“ืจ ืขื‘ื•ืจ
ืžื” ื”ื™ื yesexpr ืžื™ืœืช ืžืคืชื— ืžืงื•ืžื™ืช ื‘- LC_MESSAGES ืงื˜ื’ื•ืจื™ื”.

LC_CTYPE ืงื‘ืข ืืช ื”ืžืงื•ื ืœืคืจืฉื ื•ืช ืฉืœ ืจืฆืคื™ื ืฉืœ ื‘ืชื™ื ืฉืœ ื ืชื•ื ื™ ื˜ืงืกื˜
ื›ืชื•ื•ื™ื (ืœื“ื•ื’ืžื”, ื‘ื™ื™ื˜ ื‘ื•ื“ื“ ืœืขื•ืžืช ืชื•ื•ื™ื ืžืจื•ื‘ื™ ื‘ื™ื™ื˜ื™ื ื‘
ืืจื’ื•ืžื ื˜ื™ื ื•ืงื‘ืฆื™ ืงืœื˜) ื•ื”ื”ืชื ื”ื’ื•ืช ืฉืœ ืžื—ืœืงื•ืช ืชื•ื•ื™ื ื”ืžืฉืžืฉื•ืช ื‘-
ื‘ื™ื˜ื•ื™ ืจื’ื•ืœืจื™ ืžื•ืจื—ื‘ ืฉื”ื•ื’ื“ืจ ืขื‘ื•ืจ yesexpr ืžื™ืœืช ืžืคืชื— ืžืงื•ืžื™ืช ื‘-
LC_MESSAGES ืงื˜ื’ื•ืจื™ื”.

LC_MESSAGES
ืงื‘ืข ืืช ื”ืžืงื•ื ื”ืžืฉืžืฉ ืœืขื™ื‘ื•ื“ ืชื’ื•ื‘ื•ืช ื—ื™ื•ื‘ื™ื•ืช, ื•ืืช ื”ืžืงื•ื ื”ืžืฉืžืฉ
ื›ื“ื™ ืœื”ืฉืคื™ืข ืขืœ ื”ืคื•ืจืžื˜ ื•ื”ืชื•ื›ืŸ ืฉืœ ื”ื•ื“ืขื•ืช ืื‘ื—ื•ืŸ ื•ื”ื ื—ื™ื•ืช ืฉื ื›ืชื‘ื• ืืœื™ื”ื
ืฉื’ื™ืืช ืชืงืŸ.

NLSPATH ืงื‘ืข ืืช ื”ืžื™ืงื•ื ืฉืœ ืงื˜ืœื•ื’ื™ ื”ื•ื“ืขื•ืช ืœืขื™ื‘ื•ื“ ืฉืœ LC_MESSAGES.

ืืกื™ื ื›ืจื•ื ื™ ืื™ืจื•ืขื™ื


ื‘ึผึฐืจึดื™ืจึทืช ืžึถื—ื“ึธืœ.

STDOUT


ืœื ื‘ืฉื™ืžื•ืฉ.

STDERR


ื”ื ื—ื™ื” ืชื™ื›ืชื‘ ืœืฉื’ื™ืืช ืชืงืŸ ื‘ืชื ืื™ื ื”ืžืคื•ืจื˜ื™ื ื‘
ืงื˜ืข DESCRIPTION. ื”ื‘ืงืฉื” ืชื›ื™ืœ ืืช ืฉื ื ืชื™ื‘ ื”ื™ืขื“, ืืš ื”ืคื•ืจืžื˜ ืฉืœื• ื”ื•ื
ืื—ืจืช ืœื ืžื•ื’ื“ืจ. ืื—ืจืช, ื”ืฉื’ื™ืื” ื”ืกื˜ื ื“ืจื˜ื™ืช ืชืฉืžืฉ ืจืง ืœืื‘ื—ื•ืŸ
ื”ื•ื“ืขื•ืช.

ืชืคื•ืงื” ืงื‘ืฆื™ื


ืงื‘ืฆื™ ื”ืคืœื˜ ืขืฉื•ื™ื™ื ืœื”ื™ื•ืช ืžื›ืœ ืกื•ื’.

ืžื•ืจื—ื‘ื™ื ืชื™ืื•ืจ


ืื™ืŸ.

ื™ึฐืฆึดื™ืึธื” ืกื˜ึธื˜ื•ึผืก


ื™ื•ื—ื–ืจื• ืขืจื›ื™ ื”ื™ืฆื™ืื” ื”ื‘ืื™ื:

0 ื›ืœ ื”ืงื‘ืฆื™ื ื”ื•ืขืชืงื• ื‘ื”ืฆืœื—ื”.

>0 ืื™ืจืขื” ืฉื’ื™ืื”.

ื”ืฉืœื›ื•ืช OF ืฉื’ื™ืื•ืช


If cp ืžืกืชื™ื™ื ื‘ื˜ืจื ืขืช ืขืœ ื™ื“ื™ ืื•ืช ืื• ืฉื’ื™ืื”, ืงื‘ืฆื™ื ืื• ื”ื™ืจืจื›ื™ื•ืช ืงื‘ืฆื™ื ืขืฉื•ื™ื•ืช ืœื”ื™ื•ืช
ื”ื•ืขืชืงื• ืจืง ื—ืœืงื™ืช ื•ื™ื™ืชื›ืŸ ืฉืœืงื‘ืฆื™ื ื•ืกืคืจื™ื•ืช ื™ื”ื™ื• ื”ืจืฉืื•ืช ืื• ื’ื™ืฉื” ืฉื’ื•ื™ื•ืช
ื•ื–ืžื ื™ ืฉื™ื ื•ื™ื™ื.

ืืœ ื”ืื ื™ ื”ื‘ื ืกืขื™ืคื™ื ื™ืฉ ืœื• ืึดื™ื ืคื•ึนืจืžึธื˜ึดื™ื‘ึดื™.

ื‘ืงืฉื” ื ื•ื”ื’


ืกื™ื‘ื™ื•ืช ื”-set-user-ID ื•-set-group-ID ื ืžื—ืงื™ื ื‘ืžืคื•ืจืฉ ื›ืืฉืจ ืงื‘ืฆื™ื ื ื•ืฆืจื™ื. ื–ึถื”
ื”ื™ื ืœืžื ื•ืข ืžืžืฉืชืžืฉื™ื ืœื™ืฆื•ืจ ืชื•ื›ื ื™ื•ืช ืฉื”ืŸ ืžื•ื’ื“ืจื•ืช-ืžืฉืชืžืฉ-ืžื–ื”ื” ืื• ืžื•ื’ื“ืจ-ืงื‘ื•ืฆื”-ืžื–ื”ื” ืขื‘ื•ืจื
ื‘ืขืช ื”ืขืชืงืช ืงื‘ืฆื™ื ืื• ื›ื“ื™ ืœื”ื ื’ื™ืฉ ืงื‘ืฆื™ set-user-ID ืื• set-group-ID ืœืงื‘ื•ืฆื•ืช ื—ื“ืฉื•ืช
ืฉืœ ืžืฉืชืžืฉื™ื. ืœื“ื•ื’ืžื”, ืื ืงื•ื‘ืฅ ื”ื•ื set-user-ID ื•ืœืขื•ืชืง ื™ืฉ ืžื–ื”ื” ืงื‘ื•ืฆื” ืื—ืจ
ืžืืฉืจ ื”ืžืงื•ืจ, ืœืงื‘ื•ืฆื” ื—ื“ืฉื” ืฉืœ ืžืฉืชืžืฉื™ื ื™ืฉ ื”ืจืฉืืช ื‘ื™ืฆื•ืข ืœืชื•ื›ื ื™ืช set-user-ID ืžืืฉืจ
ืขืฉื” ื‘ืขื‘ืจ. ื‘ืคืจื˜, ื–ื• ื‘ืขื™ื” ืขื‘ื•ืจ ืžืฉืชืžืฉื™-ืขืœ ืฉืžืขืชื™ืงื™ื ืืช ืขืฆื™ ื”ืžืฉืชืžืฉื™ื.

ื“ื•ื’ืžืื•ืช


ืื™ืŸ.

Rationalale


ืืœ ื”ืื ื™ -ื™ ื”ืืคืฉืจื•ืช ืงื™ื™ืžืช ื‘ืžืขืจื›ื•ืช BSD, ืžื” ืฉื ื•ืชืŸ ืœื™ื™ืฉื•ืžื™ื ื•ืœืžืฉืชืžืฉื™ื ื“ืจืš ืœื”ื™ืžื ืข
ื”ืกืจืช ืงื‘ืฆื™ื ื‘ื˜ืขื•ืช ื‘ืขืช ื”ืขืชืงื”. ืœืžืจื•ืช ืฉื’ืจืกืช 4.3 BSD ืœื ืžื‘ืงืฉืช ืื
ื”ืงืœื˜ ื”ืกื˜ื ื“ืจื˜ื™ ืื™ื ื• ืžืกื•ืฃ, ื”ืžืคืชื—ื™ื ื”ืกื˜ื ื“ืจื˜ื™ื™ื ื”ื—ืœื™ื˜ื• ืฉื”ืฉื™ืžื•ืฉ ื‘ื• -ื™ ื”ื•ื
ื‘ืงืฉื” ืœืื™ื ื˜ืจืืงืฆื™ื”, ื›ืš ืฉื›ืืฉืจ ื ืชื™ื‘ ื”ื™ืขื“ ืงื™ื™ื, ื”ืฉื™ืจื•ืช ืœื•ืงื—
ื”ื•ืจืื•ืช ืžื›ืœ ืžื” ืฉืžื’ื™ื‘ ืขืœ ืงืœื˜ ืกื˜ื ื“ืจื˜ื™.

ื”ืคื•ืจืžื˜ ื”ืžื“ื•ื™ืง ืฉืœ ื”ื”ื ื—ื™ื•ืช ื”ืื™ื ื˜ืจืืงื˜ื™ื‘ื™ื•ืช ืื™ื ื• ืžืฆื•ื™ืŸ. ืจืง ื”ืื•ืคื™ ื”ื›ืœืœื™ ืฉืœ ื”
ื”ืชื•ื›ืŸ ืฉืœ ื”ื”ื ื—ื™ื•ืช ืžืฆื•ื™ืŸ ืžื›ื™ื•ื•ืŸ ืฉื™ื™ืฉื•ืžื™ื ืขืฉื•ื™ื™ื ืœืจืฆื•ืช ื™ื•ืชืจ ืชื™ืื•ืจื™ื™ื
ื”ื ื—ื™ื•ืช ืžืืœื” ื”ืžืฉืžืฉื•ืช ื‘ื™ื™ืฉื•ืžื™ื ื”ื™ืกื˜ื•ืจื™ื™ื. ืœื›ืŸ, ืืคืœื™ืงืฆื™ื” ื”ืžืฉืชืžืฉืช ื‘-
-ื™ ืืคืฉืจื•ืช ืžืกืชืžื›ืช ืขืœ ื”ืžืขืจื›ืช ื›ื“ื™ ืœืกืคืง ืืช ื”ื“ื™ืืœื•ื’ ื”ืžืชืื™ื ื‘ื™ื•ืชืจ ื™ืฉื™ืจื•ืช ืขื ื”ืžืฉืชืžืฉ,
ืขืœ ืกืžืš ื”ื”ืชื ื”ื’ื•ืช ืฉืฆื•ื™ื ื”.

ืืœ ื”ืื ื™ -ืขืž' ืืคืฉืจื•ืช ื”ื™ื ืชืจื’ื•ืœ ื”ื™ืกื˜ื•ืจื™ ืขืœ ืžืขืจื›ื•ืช BSD, ืžืฉื›ืคืœ ืืช ื”ื–ืžืŸ ืฉืœ ื”ื ืชื•ื ื™ื ื”ืื—ืจื•ื ื™ื
ืฉื™ื ื•ื™ ื•ื–ืžืŸ ื”ื’ื™ืฉื” ื”ืื—ืจื•ื ื”. ื›ืจืš ื–ื” ืฉืœ POSIX.1-2008 ืžืจื—ื™ื‘ ืื•ืชื• ืœืฉื™ืžื•ืจ
ืžื–ื”ื™ ื”ืžืฉืชืžืฉ ื•ื”ืงื‘ื•ืฆื”, ื›ืžื• ื’ื ื”ืจืฉืื•ืช ื”ืงื•ื‘ืฅ. ืœื“ืจื™ืฉื” ื–ื• ื™ืฉ ื‘ืจื•ืจ
ื‘ืขื™ื•ืช ื‘ื›ืš ืฉื”ืกืคืจื™ื•ืช ืžืฉืชื ื•ืช ื›ืžืขื˜ ื‘ื•ื•ื“ืื•ืช ืœืื—ืจ ื”ื”ืขืชืงื”. ื–ึถื”
ื”ื›ืจืš ืฉืœ POSIX.1-2008 ื“ื•ืจืฉ ืฉื–ืžื ื™ ื”ืฉื™ื ื•ื™ ื™ื™ืฉืžืจื•. ื”ื”ืฆื”ืจื”
ืฉืกื“ืจ ืฉื›ืคื•ืœ ื”ืžืืคื™ื™ื ื™ื ืื™ื ื• ืžื•ื’ื“ืจ ื”ื•ื ืœื”ืชื™ืจ
ื™ื™ืฉื•ืžื™ื ื›ื“ื™ ืœืกืคืง ืืช ื›ืžื•ืช ื”ืื‘ื˜ื—ื” ื”ืžืงืกื™ืžืœื™ืช ืขื‘ื•ืจ ื”ืžืฉืชืžืฉ. ื™ื™ืฉื•ืžื™ื
ืฆืจื™ืš ืœืงื—ืช ื‘ื—ืฉื‘ื•ืŸ ืืช ื‘ืขื™ื•ืช ื”ืื‘ื˜ื—ื” ื”ื‘ืจื•ืจื•ืช ื”ื›ืจื•ื›ื•ืช ื‘ื”ื’ื“ืจืช ื”ื‘ืขืœื™ื, ื”ืงื‘ื•ืฆื”,
ื•ืžืฆื‘ ื‘ืกื“ืจ ืฉื’ื•ื™ ืื• ื™ืฆื™ืจืช ืงื‘ืฆื™ื ืขื ื‘ืขืœื™ื, ืงื‘ื•ืฆื” ืื• ืžืฆื‘ ืฉื•ื ื” ืž
ื”ืขืจืš ื”ืกื•ืคื™.

ืœื ืžืฆื•ื™ืŸ ืื cp ื›ื•ืชื‘ ื”ื•ื“ืขื•ืช ืื‘ื—ื•ืŸ ื›ืืฉืจ ืžื–ื”ื™ ื”ืžืฉืชืžืฉ ื•ื”ืงื‘ื•ืฆื” ืื™ื ื ื™ื›ื•ืœื™ื
ืœื”ื™ื•ืช ืžื•ื’ื“ืจ ืขืงื‘ ื”ื ื•ื”ื’ ื”ื ืจื—ื‘ ืฉืœ ืžืฉืชืžืฉื™ื ื‘ืฉื™ืžื•ืฉ -ืขืž' ืœืฉื›ืคืœ ื—ืœืง ืžื”
ืžืืคื™ื™ื ื™ ืงื•ื‘ืฅ, ืื“ื™ืฉื™ื ืœืฉื›ืคื•ืœ ืฉืœ ืื—ืจื™ื. ื™ื™ืฉื•ืžื™ื ื”ื™ืกื˜ื•ืจื™ื™ื
ื›ืชื•ื‘ ืจืง ื”ื•ื“ืขื•ืช ืื‘ื—ื•ืŸ ืขืœ ืฉื’ื™ืื•ืช ืžืœื‘ื“ [EPRM].

ื’ืจืกืื•ืช ืงื•ื“ืžื•ืช ืฉืœ ืชืงืŸ ื–ื” ื›ืœืœื• ืชืžื™ื›ื” ื‘- โˆ’ืจ ืืคืฉืจื•ืช ืœื”ืขืชื™ืง ืงื•ื‘ืฅ
ื”ื™ืจืจื›ื™ื•ืช. ื” โˆ’ืจ ื”ืืคืฉืจื•ืช ื”ื™ื ืชืจื’ื•ืœ ื”ื™ืกื˜ื•ืจื™ ืขืœ ืžืขืจื›ื•ืช BSD ื•-BSD. ื–ึถื”
ื”ืืคืฉืจื•ืช ื›ื‘ืจ ืœื ืฆื•ื™ื ื” ืขืœ ื™ื“ื™ POSIX.1-2008 ืืš ืขืฉื•ื™ื” ืœื”ื™ื•ืช ืงื™ื™ืžืช ื‘ื™ื™ืฉื•ืžื™ื ืžืกื•ื™ืžื™ื.
ืืœ ื”ืื ื™ -ืจ ืืคืฉืจื•ืช ื ื•ืกืคื” ื›ืžื™ืœื” ื ืจื“ืคืช ืงืจื•ื‘ื” ืœ- โˆ’ืจ ืืคืฉืจื•ืช, ืฉื ื‘ื—ืจื” ืขืงื‘ื™ื•ืช ืขื
ื›ืœ ื”ืืคืฉืจื•ื™ื•ืช ื”ืื—ืจื•ืช ื‘ื›ืจืš ื”ื–ื” ืฉืœ POSIX.1-2008 ืฉืขื•ืฉื•ืช ื™ืจื™ื“ื” ืจืงื•ืจืกื™ื‘ื™ืช ื‘ืกืคืจื™ื™ื”.

ื”ื”ื‘ื“ืœ ื‘ื™ืŸ -ืจ ื•ื”ืžื•ืกืจ โˆ’ืจ ืืคืฉืจื•ืช ื”ื™ื ื‘ื˜ื™ืคื•ืœ ืขืœ ื™ื“ื™ cp ืฉืœ ืงื•ื‘ืฅ
ืกื•ื’ื™ื ืื—ืจื™ื ืžืœื‘ื“ ืจื’ื™ืœ ื•ืกืคืจื™ื™ื”. ื”ื•ื’ื“ืจ ื™ื™ืฉื•ื ื›ื™ืฆื“ - ืื•ึนืคึผึฐืฆึดื™ึธื”
ื˜ื™ืคืœ ื‘ืงื‘ืฆื™ื ืžื™ื•ื—ื“ื™ื ื›ื“ื™ ืœืืคืฉืจ ื’ื ื™ื™ืฉื•ืžื™ื ื”ื™ืกื˜ื•ืจื™ื™ื ื•ื’ื ืœืืœื” ืฉื‘ื—ืจื• ื‘ื›ืš
ืชืžื™ื›ื” โˆ’ืจ ืขื ืื•ืชืŸ ื™ื›ื•ืœื•ืช ื›ืžื• -ืจ ืžื•ื’ื“ืจ ืขืœ ื™ื“ื™ ื›ืจืš ื–ื” ืฉืœ POSIX.1-2008. ื”
ืžึฐืงื•ึนืจึดื™ โˆ’ืจ flag, ืžืกื™ื‘ื•ืช ื”ื™ืกื˜ื•ืจื™ื•ืช, ืœื ื˜ื™ืคืœ ื‘ืชื™ืงื™ื ืžื™ื•ื—ื“ื™ื ื‘ืฆื•ืจื” ืฉื•ื ื” ืžื–ื•
ืงื‘ืฆื™ื ืจื’ื™ืœื™ื, ืื‘ืœ ืชืžื™ื“ ืงืจื ืืช ื”ืงื•ื‘ืฅ ื•ื”ืขืชื™ืง ืืช ืชื•ื›ื ื•. ื”ื™ื• ืœื–ื” ื‘ืขื™ื•ืช ื‘ืจื•ืจื•ืช
ื‘ื ื•ื›ื—ื•ืช ืกื•ื’ื™ ืงื‘ืฆื™ื ืžื™ื•ื—ื“ื™ื; ืœื“ื•ื’ืžื”, ื”ืชืงื ื™ ืชื•ื•ื™ื, FIFO ื•ืฉืงืขื™ื.

ื›ืืฉืจ ืžืชืจื—ืฉ ื›ืฉืœ ื‘ืžื”ืœืš ื”ืขืชืงื” ืฉืœ ื”ื™ืจืจื›ื™ื™ืช ืงื‘ืฆื™ื, cp ื ื“ืจืฉ ืœื ืกื•ืช
ื”ืขืชืง ืงื‘ืฆื™ื ืฉื ืžืฆืื™ื ื‘ืื•ืชื” ืจืžื” ื‘ื”ื™ืจืจื›ื™ื” ืื• ืžืขืœ ื”ืงื•ื‘ืฅ ืฉื‘ื• ื”ืชืงืœื”
ื”ืชืจื—ืฉ. ืœื ืžืฆื•ื™ืŸ ืื cp ื™ื ืกื” ืœื”ืขืชื™ืง ืงื‘ืฆื™ื ืžืชื—ืช ืœืงื•ื‘ืฅ ืฉื‘ื•
ื”ืชืจื—ืฉ ื›ื™ืฉืœื•ืŸ (ืฉืœื ื™ื›ื•ืœ ืœื”ืฆืœื™ื— ื‘ื›ืœ ืžืงืจื”).

ื”ืจืฉืื•ืช, ื‘ืขืœื™ื ื•ืงื‘ื•ืฆื•ืช ืฉืœ ืกื•ื’ื™ ืงื‘ืฆื™ื ืžื™ื•ื—ื“ื™ื ืฉื ื•ืฆืจื• ื”ื•ืฉืืจื• ื‘ื›ื•ื•ื ื”
ื›ื”ื’ื“ืจืช ื”ื™ื™ืฉื•ื. ื–ืืช ื›ื“ื™ ืœืืคืฉืจ ืœืžืขืจื›ื•ืช ืœืขืžื•ื“ ื‘ื“ืจื™ืฉื•ืช ืžื™ื•ื—ื“ื•ืช (ืขื‘ื•ืจ
ืœื“ื•ื’ืžื”, ืœืืคืฉืจ ืœืžืฉืชืžืฉื™ื ืœื™ืฆื•ืจ ื”ืชืงื ื™ื ืžื™ื•ื—ื“ื™ื ืœื“ืžื•ืช, ืืš ื“ื•ืจืฉื™ื ืžื”ื ืœื”ื™ื•ืช
ื‘ื‘ืขืœื•ืช ืงื‘ื•ืฆื” ืžืกื•ื™ืžืช). ื‘ืื•ืคืŸ ื›ืœืœื™, ืžื•ืžืœืฅ ืžืื•ื“ ืฉื”ื”ืจืฉืื•ืช,
ื”ื‘ืขืœื™ื ื•ื”ืงื‘ื•ืฆื” ื™ื”ื™ื• ื–ื”ื™ื ื›ืื™ืœื• ื”ืžืฉืชืžืฉ ื”ืคืขื™ืœ ืืช ื”ื”ื™ืกื˜ื•ืจื™ ืžืงื ื•ื“, ln, ืื• ืื—ืจ
ื›ืœื™ ืœื™ืฆื™ืจืช ื”ืงื•ื‘ืฅ. ืกื‘ื™ืจ ื’ื ืฉื“ืจื•ืฉื•ืช ื”ืจืฉืื•ืช ื ื•ืกืคื•ืช ืœืฉื ื›ืš
ืœื™ืฆื•ืจ ื‘ืœื•ืง, ืชื• ืื• ืกื•ื’ื™ ืงื‘ืฆื™ื ืžื™ื•ื—ื“ื™ื ื”ืžื•ื’ื“ืจื™ื ื‘ื™ื™ืฉื•ื.

ื‘ื ื•ืกืฃ, -ืขืž' ื”ืืคืฉืจื•ืช ืžื—ื™ื™ื‘ืช ื‘ืžืคื•ืจืฉ ืฉื›ืœ ื”ื’ื“ืจ-ืžืฉืชืžืฉ-ืžื–ื”ื” ื•-set-group-ID
ื”ืจืฉืื•ืช ื™ื™ืžื—ืงื• ืื ืœื ื ื™ืชืŸ ืœื”ื’ื“ื™ืจ ืื—ื“ ืžืžื–ื”ื™ ื”ื‘ืขืœื™ื ืื• ื”ืงื‘ื•ืฆื”. ื–ื” ืœืฉืžื•ืจ
ืžืฉืชืžืฉื™ื ืฉืœื ื‘ื›ื•ื•ื ื” ืœืชืช ื”ืจืฉืื•ืช ืžื™ื•ื—ื“ื•ืช ื‘ืขืช ื”ืขืชืงืช ืชื•ื›ื ื™ื•ืช.

ื‘ืขืช ื™ืฆื™ืจืช ืงื‘ืฆื™ื ืจื’ื™ืœื™ื, ื’ืจืกืื•ืช ื”ื™ืกื˜ื•ืจื™ื•ืช ืฉืœ cp ื”ืฉืชืžืฉ ื‘ืžืฆื‘ ืฉืœ ืงื•ื‘ืฅ ื”ืžืงื•ืจ ื›
ืฉื•ื ื” ืขืœ ื™ื“ื™ ืžืกื›ืช ื™ืฆื™ืจืช ืžืฆื‘ ื”ืงื•ื‘ืฅ. ืืคืฉืจื•ื™ื•ืช ืื—ืจื•ืช ื”ื™ื• ืœื”ืฉืชืžืฉ ื‘ืžืฆื‘ ืฉืœ
ืงื•ื‘ืฅ ื”ืžืงื•ืจ ืœืœื ืฉื™ื ื•ื™ ืขืœ ื™ื“ื™ ืžืกื›ืช ื”ื™ืฆื™ืจื” ืื• ืœื”ืฉืชืžืฉ ื‘ืื•ืชื• ืžืฆื‘ ื›ืคื™ ืฉื ื™ืชืŸ
ืœืงื•ื‘ืฅ ื—ื“ืฉ ืฉื ื•ืฆืจ ืขืœ ื™ื“ื™ ื”ืžืฉืชืžืฉ (ื‘ืชื•ืกืคืช ืกื™ื‘ื™ื•ืช ื”ื‘ื™ืฆื•ืข ืฉืœ ืงื•ื‘ืฅ ื”ืžืงื•ืจ) ื•ืœืื—ืจ ืžื›ืŸ
ืฉื ื” ืื•ืชื• ื‘ืืžืฆืขื•ืช ืžืกื›ืช ื™ืฆื™ืจืช ืžืฆื‘ ื”ืงื•ื‘ืฅ. ื‘ื”ื™ืขื“ืจ ืกื™ื‘ื” ื—ื–ืงื” ืœืฉื ื•ืช
ืคืจืงื˜ื™ืงื” ื”ื™ืกื˜ื•ืจื™ืช, ื”ื™ื ื ืฉืžืจื” ื‘ืจื•ื‘ื”.

ื‘ืขืช ื™ืฆื™ืจืช ืกืคืจื™ื•ืช, ื’ืจืกืื•ืช ื”ื™ืกื˜ื•ืจื™ื•ืช ืฉืœ cp ื”ืฉืชืžืฉ ื‘ืžืฆื‘ ืฉืœ ืกืคืจื™ื™ืช ื”ืžืงื•ืจ,
ื‘ืชื•ืกืคืช ืงืจื™ืื”, ื›ืชื™ื‘ื” ื•ื—ื™ืคื•ืฉ ืกื™ื‘ื™ื•ืช ืขื‘ื•ืจ ื”ื‘ืขืœื™ื, ื›ืคื™ ืฉืฉื•ื ื” ืขืœ ื™ื“ื™ ื™ืฆื™ืจืช ืžืฆื‘ ื”ืงื•ื‘ืฅ
ืžืกื›ื”. ื–ื” ื ืขืฉื” ื›ืš cp ื™ื›ื•ืœ ืœื”ืขืชื™ืง ืขืฆื™ื ืฉื‘ื”ื ืœืžืฉืชืžืฉ ื™ืฉ ื”ืจืฉืืช ืงืจื™ืื”, ืื‘ืœ
ื”ื‘ืขืœื™ื ืœื. ืชื•ืคืขืช ืœื•ื•ืื™ ื”ื™ื ืฉืื ืžืกื›ืช ื™ืฆื™ืจืช ื”ืงื•ื‘ืฅ ืฉื•ืœืœืช ืืช ื”ื‘ืขืœื™ื
ื”ืจืฉืื•ืช, cp ื ื›ืฉืœ. ื›ืžื• ื›ืŸ, ื‘ืจื’ืข ืฉื”ืขื•ืชืง ื ืขืฉื”, ื’ืจืกืื•ืช ื”ื™ืกื˜ื•ืจื™ื•ืช ืฉืœ cp ืœื”ื’ื“ื™ืจ ืืช
ื”ื”ืจืฉืื•ืช ื‘ืกืคืจื™ื™ื” ืฉื ื•ืฆืจื” ื™ื”ื™ื• ื–ื”ื•ืช ืœืกืคืจื™ื™ืช ื”ืžืงื•ืจ, ืœืœื ืฉื™ื ื•ื™ ืขืœ ื™ื“ื™
ืžืกื›ืช ื™ืฆื™ืจืช ื”ืงื•ื‘ืฅ.

ื”ืชื ื”ื’ื•ืช ื–ื• ืฉื•ื ืชื” ื›ืš cp ื”ื•ื ืชืžื™ื“ ืžืกื•ื’ืœ ืœื™ืฆื•ืจ ืืช ื”ืชื•ื›ืŸ ืฉืœ
ืกืคืจื™ื™ื”, ืœืœื ืงืฉืจ ืœืžืกื›ืช ื™ืฆื™ืจืช ื”ืงื•ื‘ืฅ. ืœืื—ืจ ืกื™ื•ื ื”ื”ืขืชืงื”, ื”ื”ืจืฉืื•ืช
ืžื•ื’ื“ืจื™ื ืœื”ื™ื•ืช ื–ื”ื™ื ืœืกืคืจื™ื™ืช ื”ืžืงื•ืจ, ื›ืคื™ ืฉืฉื•ื ืชื” ืขืœ ื™ื“ื™ ืžืกื›ืช ื™ืฆื™ืจืช ื”ืงื•ื‘ืฅ.
ื”ืฉื™ื ื•ื™ ื”ืื—ืจื•ืŸ ื”ื–ื” ืžื”ื”ืชื ื”ื’ื•ืช ื”ื”ื™ืกื˜ื•ืจื™ืช ื ื•ืขื“ ืœืžื ื•ืข ืžืžืฉืชืžืฉื™ื ืœื™ืฆื•ืจ ื‘ื˜ืขื•ืช
ืกืคืจื™ื•ืช ืขื ื”ืจืฉืื•ืช ืžืขื‘ืจ ืœืืœื• ืฉื”ื ื”ื™ื• ืžื’ื“ื™ืจื™ื ื‘ื“ืจืš ื›ืœืœ ื•ืœืฆื•ืจืš ืขืงื‘ื™ื•ืช ืื™ืชืŸ
ื”ื”ืชื ื”ื’ื•ืช ืฉืœ cp ื‘ื™ืฆื™ืจืช ืงื‘ืฆื™ื.

ื–ื• ืœื ื“ืจื™ืฉื” ืฉ cp ืœื–ื”ื•ืช ื ื™ืกื™ื•ื ื•ืช ืœื”ืขืชื™ืง ืงื•ื‘ืฅ ืœืขืฆืžื•; ืœืžืจื•ืช ื–ืืช,
ืžืขื•ื“ื“ื™ื ืžืื•ื“ ื™ื™ืฉื•ืžื™ื ืœืขืฉื•ืช ื–ืืช. ื–ื•ื”ื• ื™ื™ืฉื•ืžื™ื ื”ื™ืกื˜ื•ืจื™ื™ื
ื”ื ื™ืกื™ื•ืŸ ื‘ืจื•ื‘ ื”ืžืงืจื™ื.

ื™ืฉื ืŸ ืฉืชื™ ืฉื™ื˜ื•ืช ืœื”ืขืชืงืช ืชืชื™ ืขืฆื™ ื‘ื›ืจืš ื–ื” ืฉืœ POSIX.1-2008. ื”ืฉื™ื˜ื” ื”ืฉื ื™ื™ื”
ืžืชื•ืืจ ื›ื—ืœืง ืžื”- Pax ื›ืœื™ ืขื–ืจ (ืจืื” Pax). ืฉืชื™ ื”ืฉื™ื˜ื•ืช ื”ืŸ ืคืจืงื˜ื™ืงื” ื”ื™ืกื˜ื•ืจื™ืช.
ืืœ ื”ืื ื™ cp ื›ืœื™ ื”ืฉื™ืจื•ืช ืžืกืคืง ืžืžืฉืง ืคืฉื•ื˜ ื•ืื™ื ื˜ื•ืื™ื˜ื™ื‘ื™ ื™ื•ืชืจ, ื‘ืขื•ื“ Pax ืžืฆื™ืข ืขื“ื™ืŸ
ืคื™ืจื•ื˜ ืฉืœ ืฉืœื™ื˜ื”. ื›ืœ ืื—ื“ ืžืกืคืง ืคื•ื ืงืฆื™ื•ื ืœื™ื•ืช ื ื•ืกืคืช ืœืฉื ื™; ื‘
ืžื™ื•ื—ื“, Pax ืฉื•ืžืจ ืขืœ ืžื‘ื ื” ื”ืงื™ืฉื•ืจ ื”ืงืฉื” ืฉืœ ื”ื”ื™ืจืจื›ื™ื”, ื‘ืขื•ื“ cp ืœื. ื–ื”
ื”ืื ื”ื›ื•ื•ื ื” ืฉืœ ื”ืžืคืชื—ื™ื ื”ืกื˜ื ื“ืจื˜ื™ื™ื ื”ื™ื ืฉื”ืชื•ืฆืื•ืช ื™ื”ื™ื• ื“ื•ืžื•ืช (ื‘ืืžืฆืขื•ืช ืžืชืื™ื
ืฉื™ืœื•ื‘ื™ ืืคืฉืจื•ื™ื•ืช ื‘ืฉื ื™ ื›ืœื™ ื”ืฉื™ืจื•ืช). ื”ืชื•ืฆืื•ืช ืื™ื ืŸ ื—ื™ื™ื‘ื•ืช ืœื”ื™ื•ืช ื–ื”ื•ืช;
ื ืจืื” ืฉืœื ื”ื™ื” ืžืกืคื™ืง ืจื•ื•ื— ืœื™ื™ืฉื•ืžื™ื ื›ื“ื™ ืœืื–ืŸ ืืช ื”ืงื•ืฉื™ ืฉืœ
ื™ื™ืฉื•ืžื™ื ืฆืจื™ื›ื™ื ืœื”ื‘ื˜ื™ื— ืฉื”ืชื•ืฆืื•ืช ื™ื”ื™ื• ื–ื”ื•ืช ืœื—ืœื•ื˜ื™ืŸ.

ื”ื ื™ืกื•ื— ืžืืคืฉืจ cp ืœื”ืขืชื™ืง ืกืคืจื™ื” ืœืกื•ื’ื™ ืงื‘ืฆื™ื ื”ืžื•ื’ื“ืจื™ื ื‘ื™ื™ืฉื•ื ืœื
ื”ืžืฆื•ื™ืŸ ื‘ื ืคื— ืžืžืฉืงื™ ื”ืžืขืจื›ืช ืฉืœ POSIX.1-2008 ืžืกื•ืคืง ื›ืš
ื™ื™ืฉื•ืžื™ื ื”ืชื•ืžื›ื™ื ื‘ืงื™ืฉื•ืจื™ื ืกืžืœื™ื™ื ืื™ื ื ื ื“ืจืฉื™ื ื›ื“ื™ ืœืืกื•ืจ ื”ืขืชืงืช ืกืคืจื™ื•ืช
ืœืงื™ืฉื•ืจื™ื ืกืžืœื™ื™ื. ื”ืจื—ื‘ื•ืช ืื—ืจื•ืช ืœื ืคื— ืžืžืฉืงื™ ื”ืžืขืจื›ืช ืฉืœ ืงื•ื‘ืฅ POSIX.1-2008
ื™ื™ืชื›ืŸ ืฉื’ื ื˜ื™ืคื•ืกื™ื ื™ืฆื˜ืจื›ื• ืœื”ืฉืชืžืฉ ื‘ืคืจืฆื” ื–ื•.

FUTURE ื›ื™ื•ื•ื ื™ื


ืื™ืŸ.

ื”ืฉืชืžืฉ ื‘-cpposix ื‘ืื•ืคืŸ ืžืงื•ื•ืŸ ื‘ืืžืฆืขื•ืช ืฉื™ืจื•ืชื™ onworks.net


ืฉืจืชื™ื ื•ืชื—ื ื•ืช ืขื‘ื•ื“ื” ื‘ื—ื™ื ื

ื”ื•ืจื“ ืืคืœื™ืงืฆื™ื•ืช Windows & Linux

ืคืงื•ื“ื•ืช ืœื™ื ื•ืงืก

  • 1
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  • 2
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  • 3
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  • 4
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  • 5
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  • 6
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