20 Essential Linux Terminal Tricks to Boost Productivity

1. Use Tab for Autocompletion

Press Tab while typing a command to auto‑complete file names or commands that start with the entered prefix, e.g., typing cp l then Tab suggests linuxidc.txt.

2. Switch to the Previous Directory

Use cd - to return to the last working directory without re‑typing the full path. The command relies on the OLDPWD environment variable, which is set after a successful cd.

3. Return to the Home Directory

Either cd ~ or simply cd jumps to the user’s home directory, saving a few keystrokes.

4. List Directory Contents Quickly

Instead of ls -l, many distributions provide ll as an alias for a detailed listing.

5. Run Multiple Commands on One Line

Separate commands with a semicolon: command_1; command_2; command_3. All commands run sequentially without waiting for the previous one to finish.

6. Run the Next Command Only on Success

Use the logical AND operator && to chain commands, e.g., sudo apt update && sudo apt upgrade, which runs the second command only if the first succeeds.

7. Search Command History

Press Ctrl+R and type a keyword to perform a reverse search through the Bash history. Press Ctrl+C to exit.

8. Unfreeze a Stuck Terminal

Press Ctrl+Q to resume output if Ctrl+S has paused the terminal.

9. Jump to Line Start or End

Use Ctrl+A to move to the beginning of the line and Ctrl+E to move to the end, which is often faster than the Home/End keys on laptops.

10. Follow a Log File in Real Time

Use tail -F filename (equivalent to --follow=name --retry) to continuously monitor a log file even if it is rotated or recreated.

11. Read Compressed Logs Without Decompressing

Commands like zcat file.gz | more, zless, or zgrep let you view gzip‑compressed logs directly.

12. Use less for Large Files

less -N filename

displays a file with line numbers, searchable navigation, and paging, which is more efficient than cat for large files.

13. Reuse the Last Argument of the Previous Command

The shortcut !$ expands to the final argument of the preceding command; Alt+. cycles through previous arguments.

14. Repeat the Entire Previous Command

Typing !! re‑executes the last command, useful for quickly adding sudo before a command.

15. Create Aliases to Fix Typos

Add an alias such as alias gerp=grep in ~/.bashrc to correct frequent misspellings.

16. Copy and Paste in the Terminal

Select text and right‑click to paste (common in PuTTY).

Select text and middle‑click to paste.

Use Ctrl+Shift+C to copy and Ctrl+Shift+V to paste in most Linux terminals.

17. Terminate a Running Process

Press Ctrl+C to stop the currently executing command.

18. Empty a File Without Deleting It

Redirect nothing into the file: > filename.

19. Find Files Containing Specific Text

Use grep -Pri "search_string" path to recursively search for a pattern, ignoring case.

20. Access Command Help

Most commands provide a help page via command --help (e.g., bc --help), which describes usage and options.