ps is a command for printing information about running processes

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ps output differs when run from command line and from script

I have to create list of PID's of the running processes. Here is the script ps echo "fields are " ps | cut -d' ' -f1 ps is showing PID TTY TIME CMD 2168 pts/4 00:00:00 sh 2177 ...
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4answers
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How to check the process along with its arguments in process list?

I have written a script where i need to pass several arguments with the same script, the script is being executed after a certain time using cron. In order to make sure that there are no multiple ...
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2answers
104 views

Calculating CPU time of process in RHEL 5.3

For a process management,I would need to remove a process that exceeds a certain amount of CPU time, for example 1 hour.In PS command ,it has TIME parameter shows the total CPU time of a process .So ...
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6answers
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How do use awk along with a command to show the process ID with the 'ps' command

I'm able to to show the PID (2nd) column with the below command, but instead I want to show pwdx <PID> and also the COMMAND(8th) column. Thanks in advance, Chirag ps -ef | grep runner | awk ...
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3answers
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process id and killing process - ps commmand

Please see the output of below ps command: abc@smaug:~/Desktop$ ps ax | grep firefox 2213 ? Sl 2:01 /usr/lib/firefox/firefox 2644 pts/0 S+ 0:00 grep --color=auto firefox Please ...
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2answers
187 views

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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3answers
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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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1answer
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ps switches to display PID, PPID, PGID, and SID collectively

I tried ps with different kinds of switches e.g. -A, aux, ef, and so forth but I cannot seem to find the right combination of switches that will tell me the Process ID (PID), Parent Process ID (PPID), ...
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1answer
212 views

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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1answer
280 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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2answers
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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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1answer
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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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1answer
31 views

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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2answers
689 views

`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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0answers
32 views

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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0answers
177 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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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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2answers
2k views

Please explain this output of ps -ef command?

A part of the output from the ps -ef command is given below : UID PID PPID C STIME TTY TIME CMD root 1 0 0 2012 ? 00:00:01 init [3] root 2 ...
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1answer
46 views

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 ...