Ubuntu Generic Commands Cheat Sheet (DRAFT) by crashd

ls	Directory Listing
ls -al	Formatted Listing with Hidden Files
cd dir	Change Directory to dir
cd	Change Directory to home
pwd	Show Current Directory
mkdir dir	Make New Directory dir
rm file	Remove File file
rm -r dir	Remove Directory dir
rm -f file	Force Remove File file
rm -rf dir	Force Remove Directory dir
cp file1 file2	Copy file1 to file2
mv file1 file2	Rename­/Move file1 to file2
ln -s file link	Creates a Symbolic link to file
touch file	Create or Update file
cat > file	Place Standard Input into file
more file	Output Contents of file
less file	Output Contents of file
head file	Output First 10 Lines of file
tail file	Output Last 10 Lines of file
tail -f file	Output Contents of file as it Grows

uname -a	Display Linux System Inform­ation
uname -r	Display Kernel Release Inform­ation
uptime	Show how long the system has been running + load
lsb_re­lease -a	Get Ubuntu Version

sudo command	Run command as Root
sudo -s	Open a Root Shell
sudo -s -u user	Open a Shell as user
sudo -k	Forget sudo Passwords
gksudo	Visual sudo Dialog (GNOME)
kdesudo	Visual sudo Dialog (KDE)
sudo visudo	Edit /etc/s­udoers
passwd	Change Your Password

apt-get update	Refresh Available Updates
apt-get upgrade	Update All Packages
apt-get dist-u­pgrade	Upgrade Ubuntu Version
apt-get install pkg	Install pkg
apt-get purge pkg	Uninstall pkg
apt-get -f install	Try to Fix Broken Packages

dmesg

Detect Hardware and Boot Messages

ifconfig	Display Network Inform­ation
iwconfig	Display Wireless Inform­ation
ifup interface	Enable interface
ifdown interface	Disable interface