"After using Linux for over two decades, I'm totally comfortable with the command line and tend to default to it for certain things. I do this because I find the command line to be more efficient than using a GUI. I can leave a terminal window open at all times and perform tasks without needing to take my hands off the keyboard."
"I always like to know what's going on under the hood, especially if I feel as if something has gone awry. When that time comes, top is my command of choice. With top, I can quickly find out how many system resources an app or command is using. On top of that, I can see the PID (Process ID) associated with that command or app and can use it to kill the app, should it be necessary."
The command line is not required to use Linux, but learning key commands enhances control, efficiency, and troubleshooting. Regular command-line use enables remote administration and continuous monitoring without switching from the keyboard. Several commands become daily tools for system maintenance, reporting, and process management. The top command provides real-time process and resource usage, reveals PIDs, and enables terminating problematic processes. SSH enables secure remote access to machines for management tasks. Different users will need different commands, yet a small set of reliable commands can keep systems running smoothly and provide timely insight into system behavior.
Read at ZDNET
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