System Utilities and Maintenance-Related Commands
| Command | Action |
|---|---|
| ps | Displays the list of processes running on the system. Common options include -l for a detailed list, -a for all processes, and -x to display daemon processes as well. Use -w for “wide” format or -ww to make it even wider. (See Chapter 15, “Performance Monitoring, Process Control, and Job Automation.”) |
| top | Displays a continuously updated list of processes and their resource usage statistics. (See Chapter 15.) |
| kill n | In this command, n is the process ID number you want to kill. Options are available to send different signals to the process. (See Chapter 15.) |
| killall pname | In this command, pname is the name of the process to kill. All processes that match the specified name and belong to ... |
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