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In Linux, you can use the ps command to check whether the process exists. This command is used to display the status of the current process. The syntax is "ps -ef | grep process keyword"; when the parameter is set to "ef" , you can find the format of the specified process and display the process information.
#The operating environment of this tutorial: linux7.3 system, Dell G3 computer.
How to check whether a process exists in Linux
If you want to check whether a process exists in Linux, you can use the ps command.
Linux ps (English spelling: process status) command is used to display the status of the current process, similar to the Windows Task Manager.
Syntax
ps [options] [--help]
Parameters:
ps has many parameters. Here we only list a few commonly used parameters and briefly introduce their meanings
-A List all processes
-w Display widening can display more information
-au Display wider Detailed information
-aux Display all itineraries containing other users
au(x) Output format:
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
USER: Trip owner
PID: pid
ps -ef | grep 进程关键字For example, display the php process: Related recommendations: "
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