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
Use fbgrab online using onworks.net services
