Is this a good or a bad idea to delete all off this ?

[Brian John]

> Gert Cuykens wrote:
> > can i do controle C when i want to go to sleep while upgrading ?
>
>         A cleaner solution, regardless of whatever you're running that
you'd
> like to ^c, is to just let it run inside a screen session and reattach
> to the screen session later to see how it went.
>
>         Screen should be every sysadmin's best friend.  =)
>
What exactly is a screen session?

/Brian