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The ps command in Linux system is used to view the currently running processes. The following is a detailed description of the ps command:
ps [选项]
a
: Display the processes of all users, including processes of other users. u
: Display detailed process information, including the owner of the process. x
: Display processes that do not control the terminal. e
: Display all processes, including system processes without terminals. f
: Display the relationship between processes in a tree format. r
: Only display running processes. l
: Display process information in long format. p
: Specify the process ID to be viewed. aux
: Commonly used combination options, display detailed process information of all users. ps aux
ps -p 1234
ps f
ps r
ps aux | grep apache
By using the ps command, you can view the currently running processes and get detailed information about the processes. Depending on your needs, different options are available to meet specific process viewing and filtering requirements.
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