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How do I find process history in Linux?
If your process logs such information, you can know the old PIDs like 7274. You can also find the PID in such a log record 24442. For future cases, you need to log such information if you are interested in finding it later.
How do I find old process ID in Linux?
You can find the PID of processes running on the system using the below nine command.
- pidof: pidof – find the process ID of a running program.
- pgrep: pgre – look up or signal processes based on name and other attributes.
- ps: ps – report a snapshot of the current processes.
- pstree: pstree – display a tree of processes.
