Bash Entering Terminal Commands whoami, uname ifconfig, ip, ping df, free, ps, top, kill Navigating the Terminal Changing Directories Important Directories Editing Files within a Directory Making and Manipulating Making and Manipulation Files Making and Manipulation Directories Searching through Files Piping and Redirection Searching with Grep Awk File Permissions and Executing Files Permissions Owner, Group, All Users Changing Permissions and Executing Files Adding to the Sudo Group Installing Software Advance Packaging Tool Updating the System and Installing Software Compressing and Extracting Files Compressing Files With Gzip Creating Archives with Tar Bash Script Writing Your First Script With Echo An Introduction to Expansion Parameter and Command Expansion Arithmetic Expansion and Getting User Input Tests and If Statements Looping With For Looping with While and Until