Linux Command Line Basics

Test your knowledge of fundamental Linux commands and shell navigation.

1. What does the 'pwd' command stand for?

Present Working Directory Previous Working Directory Parent Working Directory Primary Working Directory

2. Which command is used to list the contents of a directory?

ls dir list show

3. What does the '-l' flag do when used with 'ls'?

Displays output in long format Lists all files (including hidden) Shows only large files Limits output to 10 items

4. Which command changes the current working directory?

cd chdir change cwd

5. What command creates a new directory?

mkdir makedir newdir crdir

6. Which command copies files or directories?

cp copy cpy dupe

7. What does the 'mv' command do?

Moves or renames files/directories Makes a virtual directory Modifies file permissions Merges two directories

8. Which command deletes (removes) files?

rm delete remove del

9. What does the 'sudo' command do?

Executes a command as the superuser (root) Saves user configuration data Switches to a different user's directory Shows current user permissions

10. Which command displays the first 10 lines of a file?

head top first start

11. Which commands can be used to view the contents of a file?

cat less more echo

12. Which flags are commonly used with the 'rm' command to delete directories?

-r -f -d -x

13. Which commands are used for file compression or archiving?

gzip tar zip pwd

14. Which commands display system information?

uname top df ls

15. The 'rmdir' command can delete non-empty directories.

True False

16. The 'chmod' command is used to change file permissions.

True False

17. The 'echo' command is used to print text to the terminal.

True False

18. What command is used to search for a specific pattern in files? (lowercase)

19. Name the command that displays disk usage of files and directories (abbreviation).

20. What command clears the terminal screen?

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