su : Super User rights from within the terminal
sudo : super user run this command

ls : list directory contents
ls -lis : list directory content is list view

cd : change directory
cd /dirname : jump change a directory

apt-get install : gets app from web and installs
apt-get remove : uninstalls app
apt-get remove --purge : removes a program and purges any configuration files associated with it
apt-get update : updates the DB
sudo apt-get clean - Clear apt archives
sudo dpkg -i filename.deb - Install *.deb file
sudo apt-get build-dep program-name - Get dependencies for source packages
sudo apt-get -o Debug::pkgProblemResolver=yes dist-upgrade - Get information about broken packages when getting dependency problems

clear : clears screen
./filename : processes a install command
mkdir : creates a directory
chmod 777 dirname : resets access rights to directory
kill 999 : kills process at high level
reboot : reboots system
exit : exits from terminal or moves back a userlevel
make : comlies package code
make install : installs the compiled code
uname -r : gives you the kernel version

dir : will list all directories within your current location
cat filenamehere : will display it's contents
pwd : will show you your current location (very important if you're usincli ftp)
cp oldfilename newfilename : copies a file
mv oldfile newfile : will overwrite the oldfile with the newfile
chown usernamehere dirnamehere : changes the dir owner to whoever you put
chgrp groupnamehere dirnamehere : changes the group who owns the dir
pkill program-name : Kills a command
free -m - shows free space

cd ~ - go to home folder
cd .. - go to previous folder

tar -cvf file-or-folder - Make tar archive
tar -cvjf file-or-folder - Make tar.bz2 archive
tar -cvzf file-or-folder - Make tar.gz archive
tar -xvf file-or-folder - Untar tar archive
tar -xvjf file-or-folder - Untar tar.bz2 archive
tar -xvzf file-or-folder - Untar tar.gz archive

nano - Text editor
wget http://fianforever.blogspot.com - Download manager
rm -r file-or-folder - Forcefully remove file/folder
ls --color=auto - List directory contents, colour-coded

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