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fbgrab - Online in the Cloud

Run fbgrab in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command fbgrab 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

PROGRAM:

NAME


fbgrab - takes a screenshot using the framebuffer device

SYNOPSIS


fbgrab [option...] png-file

fbgrab -?

DESCRIPTION


fbgrab is a wrapper around fbcat which emulates the behaviour of Gunnar Monell's fbgrab
utility.

OPTIONS


fbgrab accepts the following options:

-c N
Grab the /dev/ttyN virtual terminal.

Note
This option might require root privileges (or CAP_SYS_TTY_CONFIG capability).

-C N
Switch to the /dev/ttyN virtual terminal, then wait a few seconds before grabbing it.

Note
This option might require root privileges (or CAP_SYS_TTY_CONFIG capability).

-d fb-device
Use the fb-device framebuffer device.

By default, the device name is taken from the FRAMEBUFFER environment variable. If it
is unset or empty, the default is /dev/fb0.

-i
Enable PNG interlacing.

-s N
Sleep N seconds before making the screenshot or switching virtual terminals.

-?
Display help and exit.

UNSUPPORTED OPTIONS


The following options of Gunnar Monell's fbgrab are recognized but not supported:

-f fb-dump-file

-b N

-w N

-h N

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