Linux Commands Examples

A great documentation place for Linux commands


dump the contents of a virtual console to stdout

see also : setterm


screendump [ N ]

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The screendump command dumps the contents of virtual console N , (or the current console if N is omitted) to standard out.

Just saying

cat /dev/vcsN

has a similar effect.


For security reasons, screendump uses linux devices "virtual console screen" and "virtual console screen with attributes" to give access for screendump.

Ensure these files exist, using

cd /dev for i in 0 1 2 3 ...; do

mknod vcs$i c 7 $i

mknod vcsa$i c 7 ’expr 128 + $i’


(filling in the ellipses) and give the device files appropriate permissions, or run screendump as root.

see also


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