Linux Commands Examples

A great documentation place for Linux commands

screendump

dump the contents of a virtual console to stdout


see also : setterm

Synopsis

screendump [ N ]


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description

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.

notes

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’

done

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


see also

setterm

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