It's just cool....
try it:
# sudo aptitude install guake
# sudo aptitude install guake
NAME
nohup - run a command immune to hangups, with output to a non-tty
SYNOPSIS
nohup COMMAND [ARG]...
nohup OPTION
DESCRIPTION
Run COMMAND, ignoring hangup signals.
Take an example of compiling a fresh configured buildroot, depends on the packages selected it takes hours/days to download the sources and compile:
EXAMPLE
$ nohup make buildroot &
Then the buildroot compilation will continue after you close your terminal/laptop.