Also useful trick is to have exit traps, doing stuff on exit. http://linux.die.net/Bash-Beginners-Guide/sect_12_02.html http://linux.die.net/Bash-Beginners-Gui

Also useful trick is to have exit traps, doing stuff on exit. http://linux.die.net/Bash-Beginners-Guide/sect_12_02.html http://linux.die.net/Bash-Beginners-Guide/sect_12_02.html