STAT process state S- sleep s- Session Wizard process is the process of running N has a lower priority than the average short-term waiting Z- R- D- T zombie process being followed or stopped
STATED process start-up time
TIME CPU time used by the process
COMMAND command to start the process and parameters used
ps ef is System V style *
UID user id
PID process id
PPID parent process id
C CPU execution priority user computing a factor greater cpu intensive numerical computation execution priority lower
STIME process start-up time
TTY terminal full name
TIME CPU time
CMD complete the boot process commands and parameters
If you want to track cpu usage and memory usage, aux is a good choice
If you want to track both the parent and the complete startup command ef is a good choice
* System V, who is also known as AT & T System V, is a Unix many versions of an operating system. It was originally developed by AT & T.
* BSD (Berkeley Software Distribution, Berkeley Software Suite) is a Unix-derived systems, pioneered in the 1970s by the University of California, Berkeley (University of California, Berkeley). BSD thus used to represent the various collection kit derived.
Their difference is:
| description |
sytem V |
BSD |
| Root Script Location |
/etc/init.d |
/etc/rc.d |
| Default Shell |
Bshell |
Cshell |
| File system data |
/etc/mnttab |
/etc/mtab |
| Core Location |
/UNIX |
/vmUnix |
| Printer device |
lp |
rlp |
| String Functions |
memcopy |
bcopy |
| Terminal initialization settings file |
/etc/initab |
/etc/ttys |
| Terminal Control |
termio |
termios |
references:
https://linuxhint.com/ps_command_linux/
https://server-gu.ru/process-management-linux-2/
$ Ps -e // show all running processes
$ Ps -ef // more detail
If you would like further information please refer ps commandline
$man ps
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