Ps: View system processes
user: a valid user
PID: Process ID
% Cpu: cpu usage
% Men: memory usage
VSZ: Memory Virtual Memory Size application to the system, virtual memory set, linear memory unit: K
RSS: the actual memory (memory resident) Unit: K
TTY: a terminal window
STAT: current status
- R：running
- S: interruptable sleeping (sleep state)
- D: uninterruptable sleeping (uninterruptible sleep)
- T: stopped (stop the process)
- Z: zombie (zombie)
- +: Foreground process
- l: multithreaded processes
- L: memory paging and lockable
- N: low-priority process
- <: High-priority process
- s: session leader, a session (the child) sponsors
START: Start Time
TIME: allocation of time slices
COMMAND: cmd (program)
ps: axo combination of options --sort reverse option.
Nice to modify the process priority: renice -n - priority number process ID
nice: available to run the program with the specified priority
View processes running cpu core number:
View available cores and binding process
pidof: Quick view the process ID:
