The Linux command line is a powerful tool for interacting with a system using text-based commands. This guide introduces basic commands, explores virtual consoles, and explains how to check system resources.
Basic Commands
The date command displays the current system time and date, while the cal command shows a calendar of the current month.
Virtual Consoles
Even without a terminal emulator running, Linux maintains multiple virtual consoles that users can access using Ctrl+Alt+F1 through Ctrl+Alt+F6. To return to the graphical desktop, press Alt+F7.
Checking System Resources
The df command provides information on free disk space.
The free command displays memory usage, including free RAM and swap space.
Ending a Terminal Session
A terminal session can be closed by using the exit command or pressing Ctrl+D.
Conclusion
This guide introduces the Linux shell, basic commands, and system resource monitoring. Learning these fundamentals helps users navigate and utilize the Linux environment efficiently.