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Linux Commands

Linux has several nice graphical user interfaces to choose from, and many of the more common Linux networking functions have graphical configuration utilities. Still, many Linux configuration tasks can be done only from a command shell. In many cases, the configuration utility provides access only to the most basic configuration parameters. So if you want to configure advanced features, you have to use commands. In fact, some network features don't have a graphical configuration utility, so you have no choice but to use commands.

Even when GNOME-based alternatives are available, you'll often resort to using commands because, frankly, that's what Linux was built to do. Unlike Windows, Linux relies on commands as its primary means of getting things done. So if you're going to work with Linux, knowing the basic commands presented in this tutorial is a must.

In this tutorial:

  1. Command Shell Basics
  2. Editing commands
  3. Wildcards
  4. Redirection and piping
  5. Environment variables
  6. Shell scripts
  7. Directory and File Handling Commands
  8. The cd command
  9. The mkdir command
  10. The rmdir command
  11. The ls command
  12. The cp command
  13. The rm command
  14. The mv command
  15. The touch command
  16. The cat command
  17. Commands for Working with Packages and Services
  18. The rpm command
  19. Commands for Administering Users
  20. The usermod command
  21. The chage command
  22. The passwd command
  23. The newusers command
  24. The groupadd command
  25. The groupdel command
  26. Commands for Managing Ownership and Permissions
  27. The chgrp command
  28. The chmod command
  29. Networking Commands
  30. The ipconfig command
  31. The netstat command
  32. The ping command
  33. The route command
  34. The traceroute command