These are simple scripts to save the SVGA register state when in textmode to the
/tmp/fontdata and /tmp/textregs or to restore it from these files.
The actual utilities used are
The purpose of these scripts program is usually to recover from a crashed console due to an
svgalib, Xfree or other program bug.
You do this by being a smart guy and running
savetextmode right after booting of your machine,
prior to any problems. Then, in case the SVGA state is hosed and you sit in front of a blank or
useless console, change VC (maybe login) to get to a shell. Or exist the currently running
<Ctrl>-<Alt>-<Backspace>, or whatever applies. Once you got a shell, run
textmode and it will hopefully render your console useable again.
To make it clear: You do all this while not seeing anything on your console screen, you
enter this information blindly or after logging in from a network. Also, if the keyboard is
left in raw mode, nothing can really help you as you cannot enter anything which a shell
This manual page was edited by Michael Weller <firstname.lastname@example.org>. The
exact source of the referenced utility as well as of the original documentation is
It is very likely that both are at least to some extent are due to
Harm Hanemaayer <H.Hanemaayer@inter.nl.net>.
Occasionally this might be wrong. I hereby
asked to be excused by the original author and will happily accept any additions or corrections
to this first version of the svgalib manual.