In the STAT column of the ps command output, you may encounter several characters that provide additional information about the state of a process. Here’s a more comprehensive list of common characters and their meanings:
- S: Sleeping - waiting for an event.
- R: Running - currently executing or ready to run.
- Z: Zombie - process has finished but still has an entry in the process table.
- T: Stopped - process has been stopped, usually by a signal.
- I: Idle - process is idle.
- D: Uninterruptible sleep - waiting for I/O (cannot be interrupted).
- X: Dead - process is dead and cannot be restarted.
Additional characters may provide further context:
- +: Process is in the foreground process group.
- l: Multi-threaded process.
- s: Session leader - the process is a leader of a session.
- n: Low-priority process.
- p: Process is a real-time process.
These characters help you understand the current status and behavior of processes on your system. If you have more questions or need clarification on specific states, let me know!
