Linux is an Open Source, free Operating System created by Linus Torvalds.

The Linux kernel is the core of the Linux operating system.

xwin JWM
xwin fv95wm
xwin xfce
(xwin = xstart on other Linux systems)

reboot
shutdown -r now
You can also press (all at once) the control, alt and delete keys.

ctrl + alt + backspace
poweroff

If you want to remove the Lilo or Grub boot loader from your system (if you are uninstalling linux etc) follow the procedures below:

For Windows 95/98 etc:
Use a dos boot disk and at the command prompt type:
fdisk /mbr

For Windows XP:
Boot off the XP Installation CD and go into rescue mode. From there run the command:
fixmbr

cd - Used to change directories
Usage: cd [directory]
Example: cd /root/my-documents/
Example: cd ../ (to move back one directory)
Example: cd (to return to your home directory)

cp - Used to copy files/directories from one location to another
Usage: cp file newlocation
Example: cp /home/joey/index.html /var/www/index.html
Example: cp /home/joey/* /var/www/ (this will copy everything in /home/joey to /var/www/)
For more information, in a terminal, type cp --help

mv - Used to move or rename files
Usage: mv file location (to move)
Usage: mv filename newfilename (to rename)
Example: mv index.html /var/www/index.html (to move)
Example: mv index.html index2.html (rename)
For more information, in a terminal, type mv --help

mv - Used to move or rename files
Usage: mv file location (to move)
Usage: mv filename newfilename (to rename)
Example: mv index.html /var/www/index.html (to move)
Example: mv index.html index2.html (rename)
For more information, in a terminal, type mv --help

ls - To list the contents of a directory
Usage: ls [flags] directory
Example: ls (To list the current directory)
Example: ls /home/joey (To list the contents of /home/joey)
Example: ls -a (To list hidden files)
Example: ls -l (To list file/directory permissions and file sizes)
Example: ls -al /home/joey (To list all files and permissions in /home/joey)
For more information, in a terminal, type man ls

To delete a file you must first have write permission to it.
There is no "Recycle Bin" in Linux so once you delete a file, it's gone for good.
When removing files, you may use an astrix (*) as a wildcard flag to remove certain files, for example if I wanted to remove all files that began with the letter j, I would run rm j*
If anyone tells you to run rm -rf / as root, DO NOT LISTEN TO THEM. Running this command will delete all the files/directories on your Linux system.

If you have ownership to the directory and the directory is empty, you can simply type rmdir directoryname to remove the directory. If the directory is not empty and you wish to simply delete it and all its contents, run rm -rf directoryname
Please be careful with the -rf flag, as it will remove everything in the specified directory including sub directories. With root access and the rm -rf command you can wipe out your entire system if you make an error.

mount /dev/home/cdrom

mount /dev/home/fd0

To extract .tar.gz or .tgz files, run the following command in a terminal:
tar -zxvf file.tar.gz (or file.tgz)
This will normally create a new directory based on the filename. If you want to extract a filename called file.tar (without the .gz) simply run:
tar -xvf file.tar
For more information, in a terminal, type man tar

To extract .bz2 files, run the following command in a terminal:
bunzip2 -dv file.bz2
This will normally create a new directory based on the filename. For more information, in a terminal, type man buznip2

Try: dillo, gimp, ical

fsck.ext2 -vfn /mnt/home/pup001