ps is a command for printing information about running processes

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Total RAM used by a program with `ps`? [duplicate]

Possible Duplicate: Measuring RAM usage of a program I am trying to use ps to benchmark a program, I'm just not sure which flags to use. I would like to get the amount of RAM the program ...
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218 views

grep for specific process in ps but not the grep command itself [duplicate]

If I want to check if something is running, I do ps aux | grep flamethrower, expecting just to show the processes containing flamethrower in the name. This will always find at least one process, as ...
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The program pstree and htop showing threads with unique PIDS. How is this possible?

I ran the program pstree -p 31872 which printed the following output: ruby(31872)─┬─{ruby}(31906) └─{ruby}(32372) The man page for pstree says: Child threads of a process ...
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For the results of either ps aux or ps -ef, how do I just find the commands with brackets?

So I get the results of root 2 0 0 Jan18 ? 00:00:00 [kthreadd] root 3 2 0 Jan18 ? 00:00:23 [ksoftirqd/0] root 4 2 0 Jan18 ? 00:00:00 ...
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What is the meaning of “\_” in output of 'ps ef'?

When I executed ps ef command in a linux server, I saw that one of the command starts with \_. For example, \_ /bin/sh /usr/ Could any one please let me know what is the meaning of \_ in this ...
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558 views

ps | grep shows bad output in subshell with jobs running in the background

I am using bash. I have a file named "a2draw" that contains only 1 line: sleep 99999 I start it using this command: bash a2draw & Now, I know and understand the trick with square bracket ...
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22 views

Cron start script twice

I have a backup script which sends my snapshots to a off-site location. 0 0 * * * /root/backup/backup_incremental >> /root/backup/test.log For some reason my PID file which should stop the ...
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ps output / pipeline execution order

I run ps aux | grep somethinghere. The output shows the grep somethinghere as a running process. My question is, shouldn't ps aux finish first, then grep somethinghere run on its output? Maybe there ...
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how to print ps header when using pipe in linux [duplicate]

how to print ps header when using pipe in linux this normal ps output $ ps -ef UID PID PPID C STIME TTY TIME CMD root 1 0 0 17:00 ? 00:00:02 ...
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Select PID by full command

I need to select the PID of a Java process. If I run something like this: ps -C java -o pid=, it will select all the Java processes. I am after a specific process where the command used to start is ...
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long format of ps command in Solaris

Jobs with a long command-line is not printing in Solaris: bash-3.2$ /usr/ucb/ps auxwww | grep ftf | awk '{print $NF}' | head -5 /proj/cmp01/app/btws/cfg/btw /proj/cmp01/app/btws/cfg/btw ...
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Why the -u flag doesn't work for ps?

I'm executing the following ps command: root@dor-desktop:/home/dor# ps u -t "$(tty)" -u mysql USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND dor 2070 0.0 0.1 22436 ...
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`ps | grep | kill` aborts my script prematurely [duplicate]

I have a Linux computer that I remotely SSH into using plink on a Windows XP machine. I have the Plink program set to execute commands in a script using automated login: plink -ssh [domain name] -l ...
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The TIME field in ps -ef

When I do ps -ef, I see "TIME" field. What does this field mean? From what I understand, this tells the actual CPU time, that the process got (amidst all the context switching). Does the TIME field ...
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Is there a way to see which user is logged into the system and has switched with “su”?

There are many person that may have access to the system and use a common user with more grants. How can I see which user is running a command? is there a way to use "ps" for that?
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Average CPU utilization of a process

I am trying to conduct some experiments for determining what the CPU utilization of my process is. I am familiar with the top and ps commands. Which would be a better solution for getting the average ...
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Possibly Compromised - ./brute xml2014 user x08 300?

I have a long list of a process called "./brute xml2014 user x08 300" when I type in "ps aux". What does this mean? Does this mean my server is being used as a DDoS bot? Here's a screenshot of what ...
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What is an integer between the square brackets after the command name in ps output? [duplicate]

I have a PC running Debian Wheezy and if I execute ps -o command -p 1 then there is a 2 between the square brackets after the command name for init process: root@vserver:~# ps -o command -p 1 COMMAND ...
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136 views

Job started by procmail does not appear in ps-output and cannot be stopped, even not after reboot

For testing purposes I called procmail by my .forward file |/usr/bin/procmail and by the rules in .procmailrc it started a job named "start", which was simply an infinite loop while true do ...
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unix process showing unusual cpu usage and timing in ps aux

USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 684 186912060 0.0 17140 988 ? Ss Feb24 54195432:44 root 7319 288895842 0.0 4096 668 ? S 04:30 ...
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Different representation of bash in 'ps -f' command [duplicate]

I have two bash running; one is Terminal application that runs bash, the other one is xterm application that runs bash. With ps -f, I have -bash one, and bash at the other. What makes this ...
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How can I see a process' thread count? [duplicate]

Possible Duplicate: Is there a way to see details of all the threads that a process has in Linux? I want to see the thread count which belongs to a process in linux. What command should I ...
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1answer
427 views

Very large values for utime and stime for foo. Is foo still running?

I am running a program foo It has been running for close to 30 days now (even more) Until around 10 days ago (I cannot be very exact) it used 100% of one cpu on my dual core laptop (it was at the ...
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how to close ports with no process attachedto it

how do you close ports if there are not processes attached to it? I used to run an application and they're using this ports previously for some reason the application crashed but if i restart the ...
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1answer
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Which is the most precise command to get processes and system information? [closed]

I'm trying to evaluate performances of some active processes of mine on linux. Searching the internet I found that ps and top are the only command available for that. More precisely here, it says ...
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understanding ps -ef output

root@he:/home/he# ps -ef|grep init root 1 0 0 08:40 ? 00:00:02 /sbin/init root 3557 3545 0 10:09 pts/0 00:00:00 grep --color=auto init What are various columns ...
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ps -aux | sort commands [closed]

What do these commands do? ps -aux | sort -k 3 -n -r ps -aux | sort -k 3 -n -r | head -1 ps -aux | sort -k 3 -n -r | head -1 | awk '{print $11" hat "$3" %"}