Various examples and tips for using the watch command in Linux
What is the Linux watch command? The Linux watch command is a useful tool that repeatedly displays the result of a specific command at regular intervals. For example, you can use it to monitor the system’s CPU and memory usage, detect changes in files, or check the network connection status. The basic format of the watch command is as follows. 1 watch [options] [command] cs There are various options, but the most commonly used ones are as follows. -n : Specifies the update interval in seconds. The default value is 2 seconds. -d : Highlights the parts that have changed compared to the previous result. -t : Does not display the time at the top. -c : Keeps the color. Examples of using the watch command Let’s look at some examples of how to use the watch command. 1. Monitoring system CPU and memory usage If you want to monitor the system’s CPU and memory usage, you can use the watch command with the top command. For example, if you enter the following, it will update the result of the top