Linux for Absolute Beginner Course overview Linux Command Line · Command syntax for Linux · Files and directory permissions and ownership · Gelling help · TAB and Up arrow keys · Pipes (|) · Adding text to files · File display commands · File maintenance commands · Filters and text processing commands (wc, grep, egrep, awk, cut etc.) · Combining and splitting files · Linux vs. Windows commands. Linux Administration · Linux file editor (vi) · User account management · Switch users and sudo commands · System utility commands · Processes and jobs · Process management · System monitoring commands · Log monitoring · System maintenance commands · Changing hostnames · Finding system information · Getting system architecture information · Terminal commands · Terminal ctrl keys · Recovering root password.