In short, the terminal is an text interface that you can use to interact with an OS. The Terminal is also known as Command-Line or Shell. Typing ‘cd’ followed by periods will move the terminal into ...

The free command in Linux is used to check your system’s memory status. It provides a snapshot of how RAM and swap memory are being utilized. Total memory → How much RAM is installed on the system.

# Concatenate all text (*.txt) files to one file. head – Prints the first lines of one or more files (or piped data) to standard output. head /path/to/file <-- First 10 lines by default head -n+1 ...

Most Linux problems aren't complex. They're poorly observed. These are the exact commands that I run before troubleshooting ...