Turn off color in vi
:syntax off
Line count output (rate) per 1 second (e.g. to determine # of apache web requests at 1 second intervals)
tail -f access.log|perl -e ‘while (<>) {$l++;if (time > $e) {$e=time;print “$l\n”;$l=0}}’
Detach foreground or background task from console
Ctrl-Z
bg
disown %1
Oct 21