Any other useful Linux commands?

Certainly! Here are some useful Linux commands that can help you manage files, directories, and system information:

1. List Files and Directories:

   ls
   

   Use ls -l for detailed information and ls -a to include hidden files.

2. Copy Files:

   cp source_file destination
   

3. Move/Rename Files:

   mv old_name new_name
   

4. Remove Files:

   rm filename
   

   Use rm -r directory_name to remove a directory and its contents.

5. Create a Directory:

   mkdir directory_name
   

6. Change File Permissions:

   chmod permissions filename
   

7. View File Contents:

   • Use cat filename to display the entire file.
   • Use less filename or more filename for paginated viewing.

8. Search for Text in Files:

   grep 'search_term' filename
   

9. Find Files:

   find /path/to/search -name 'filename_pattern'
   

10. Display Disk Usage:

    df -h
    

11. Check Memory Usage:

    free -h
    

12. View Running Processes:

    ps aux
    

    Use top or htop for a dynamic view of processes.

13. Download Files:

    wget http://example.com/file
    

14. Archive and Compress Files:

    • Create a tarball:

      tar -cvf archive_name.tar directory_name
      

    • Extract a tarball:

      tar -xvf archive_name.tar
      

15. Check System Information:

    uname -a
    

These commands are fundamental for navigating and managing a Linux system effectively.