how to backup file same restore ?

[tonjaa]

some time i try to install many program some program i don't know how to use it .
and it make my system and environment change but i don't know what's program running
like i ever install about gtk program and it change my desktop that time i don't understand
more between gtk and gnome that i want to know on Linux Ubuntu have some program
for backup or system restore same on Windows or not? or how to backup and restore
system when have problem i can return to good point please guide to me.

[Giblet5]

Here's some information for backup (http://ubuntuforums.org/showthread.php?t=35087) and restore.

You can also use zip/unzip, 7zip, etc, which have Windows counterparts.

I use the rsync and tar commands, myself.

A "safe" way to recover from "experiments" is to execute the following commands from the console (Ctrl-Alt-F1).

Login as yourself:
cd ..
sudo /etc/init.d/gdm stop
sudo mv $HOME $HOME.backup
sudo mkdir $HOME
sudo chown $LOGNAME:$LOGNAME $HOME
sudo chmod 755 $HOME
sudo /etc/init.d/gdm start

You'll be able to login with the Ubuntu defaults settings, and all of your documents, pictures, etc, are in ../yourname.backup where you can selectively copy them to your new home.