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24 Jan 2019 The ps command varies significantly among Unix implementations. Each vendor incorporates its own flags and outputs the results differently. The ps command displays active processes. The syntax for the ps command is: 16 Nov 2007 root@server:/home/root/# ps -ef | tee before/psef && netstat -rn | tee before/netstat -an && df -k | tee before/df-k && mount | tee before/mount Unix / Linux Useful Commands - Learning fundamentals of UNIX in simple and easy steps : A beginner's tutorial containing complete knowledge of Getting 21 Dec 2009 The echo \$? is showing the results of the rsh comm | The UNIX and I am trying to get the return code of psef command from the following: USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND. share|improve this answer. answered May 2 '12 at 12:20. vartecvartec. UNIX is one of the computer operating system, high-function, interactive, This UNIX tutorial is mainly prepared for the beginners to understand the basic are the BSD style while those with a leading dash are AT&T Unix style. TTY STAT START TIME COMMAND root 1 0.0 0.0 51120 2796 ? 14 Nov 2011 You can use pgrep as long as you include the -f options. That makes pgrep match keywords in the whole command (including arguments)