ps is a Unix operating system command and the like used to display the running processes.

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Why does my system hang when I run ps, w and possibly other commands?

I don't know why, but I cannot run the ps or w commands on my Ubuntu 10.04LTS machine. I did a trace for both, and both stopped when reading part of the same file. Here's the result of running ps ...
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CMD in ps command in linux

Under CMD, I was wondering what the /1 or /2 ... are? What do they indicate? I couldnt find it in the man page. In general, does anyone have a good understanding of the CMD column that they could ...
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How to Split a Big Postscript file (3000 pages) into one individual file per page (using Windows 7)? [duplicate]

Possible Duplicate: GhostScript noob help - Breaking a multipage PDF file into many single page PS or EPS files. Hi, I'm having trouble doing the following: I have a big PDF file that I ...
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GhostScript noob help - Breaking a multipage PDF file into many single page PS or EPS files

I'm trying to do the following with ghostscript: Turn one multipage PDF file (about 3,000 pages, 200mb file) into: One file per page of the PDF, and convert each (page/file) to EPS or PS (post ...
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how to check process tree in hpux, just like ptree in Solaris?

how to check process tree in hpux, just like ptree in Solaris ?
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Is it possible to 'hide' a process from the listing of `ps` or `top` on Linux

First, I presume that if this is possible it would need to be done as root (or as a user who shares root's UID of 0). How can a process be launched so that it does not show up in a ps aux or ps ef or ...
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In ps -ef, what information does the fourth column show?

For example, ps -ef Display full information about each of the processes currently running. UID PID PPID C STIME TTY TIME CMD hope 29197 18961 0 Sep27 ? 00:00:06 sshd: hope@pts/87 hope 32097 29197 ...
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In UNIX, what are the Ss, Sl, and Ssl proccess types I see with ps aux?

When doing a ps aux command, I see some process listed as Ss, Ssl and Sl. What do these mean? root 24653 0.0 0.0 2256 8 ? Ss Apr12 0:00 /bin/bash -c /usr/bin/python /var/...
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Groff ignores line breaks from my shell

I've been using groff to make ps files for printing with the -man flag. If I want to convert anything else such as a header file or just the output from ls -l or other program the line breaks are ...
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1answer
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Why is the reported user “root” when a “normal user” executes “ps ux” on OS X? Is this normal behaviour?

I am running OS X 10.6.1 . When i am logged in as a normal user of group staff and do a ps ux it lists my ps ux command as being run by root: snies 181 0.0 0.3 2774328 12500 ?? S 6:...
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ps aux output meaning

When typing ps aux, what does each column of the output mean? For example $ ps aux timothy 29217 0.0 0.0 11916 4560 pts/21 S+ 08:15 0:00 pine root 29505 0.0 0.0 38196 2728 ? ...
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How can I know the absolute path of a running process?

If I have multiple copies of the same app on the disk, and only one is running, as I can see with ps, how can I know the absolute path to distinguish from the others?