A UNIX Command $true $echo $? 0 $false $echo $? 1 $ $ ./true –version >&- ./true: write error: Bad file number $ ./true –version > /dev/full ./true: write error: No space left on device UNIX Explanation true – do nothing, successfully exit with a status code indicating success. false – do nothing, unsuccessfully exit …
Daily Archives: June 23, 2013
setterm
commandline session $setterm -underline $ls $ls -l total 0 $ls -a . .. $setterm -underline off $ls $ls -l total 0 $ls -a . .. $ http://pluto.infoclub.in/wp-content/uploads/2013/06/setterm.c