This is the command which that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
which - locate a command
which [-a] filename ...
which returns the pathnames of the files (or links) which would be executed in the current
environment, had its arguments been given as commands in a strictly POSIX-conformant
shell. It does this by searching the PATH for executable files matching the names of the
arguments. It does not follow symbolic links.
-a print all matching pathnames of each argument
0 if all specified commands are found and executable
1 if one or more specified commands is nonexistent or not executable
2 if an invalid option is specified
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