Re: Why does ps -ef show four entries for chrome?

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Author: Stephen Partington
Date:  
To: Main PLUG discussion list
Subject: Re: Why does ps -ef show four entries for chrome?
I am amazed that you only have 4. I usually have dozens going.

On Nov 22, 2017 4:16 PM, "James Mcphee" <> wrote:

> Chrome runs each tab in a seperate process, and the same for plugins, etc,
> though sometimes those are shared. If you run ps -ef instead of top and
> get the parent processid, they'd likely share a common parent. You can
> organize the output with H. ps -efH and it'll group it in a tree format
> based on parents, etc.
>
> As for why you have multiple sessions, tty/# is the console, pts/# are
> pseudo terminals. Either ssh, gnome terms, whatever. Depending on which
> distro you're running, it may or may not show your sessions. Systemd has a
> better handle on logins, and will usually only show your gnome session and
> hide any terms, while an older system that has to depend on utmp will do
> it's best to give you "who" info, and that will lead to multiple entries.
> Here's the thing, though. In this case SystemD is causing who to lie to
> you. There are pty's and they're capable of doing things and the thing
> intended to tell you, who, w, or whatever, is not telling you. But I'll
> stop before I get any further along that tangent.
>
> On Wed, Nov 22, 2017 at 3:44 PM, <> wrote:
>
>> Why does ps -ef show four entries for chrome?
>>
>> top - 15:39:19 up 117 days, 6:18, 3 users, load average: 0.52, 0.53,
>> 0.40
>> Tasks: 254 total, 2 running, 252 sleeping, 0 stopped, 0 zombie
>> %Cpu(s): 4.5 us, 1.4 sy, 0.0 ni, 94.0 id, 0.1 wa, 0.0 hi, 0.0 si,
>> 0.0 st
>> KiB Mem: 8056428 total, 6113388 used, 1943040 free, 261496 buffers
>> KiB Swap: 1951740 total, 1479580 used, 472160 free. 2132628 cached
>> Mem
>>
>>   PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+
>> COMMAND
>>  1954 joe       20   0 4950656 262716  63456 S  22.5  3.3   8718:50
>> plasma-desktop
>>  1180 root      20   0  406848 142360  91556 S   2.0  1.8   1731:43 Xorg
>>  8319 joe       20   0 2536552  57272  40736 S   1.3  0.7   0:04.20 kwrite
>>  8265 joe       20   0 1523732 198328      0 S   0.7  2.5 204:22.04 chrome
>>  8385 joe       20   0  500772  39968  30976 S   0.7  0.5   0:00.32
>> konsole
>>  8411 joe       20   0   25068   3020   2412 R   0.7  0.0   0:00.10 top
>>  1947 joe       20   0 3271824 111492  13264 S   0.3  1.4 699:09.56 kwin
>> 20472 joe       20   0 2773088   3460      0 S   0.3  0.0 342:53.07 chrome
>> 23926 joe       20   0 1698316 146268      0 S   0.3  1.8 252:24.63 chrome
>> 24818 joe       20   0 1681216 194792      0 S   0.3  2.4 205:45.48 chrome
>> 26613 joe       20   0 1441312 305556   6452 S   0.3  3.8 117:09.59 chrome
>>     1 root      20   0   33920   3244   1800 S   0.0  0.0   0:10.59 init

>>
>> == Also, why does "who" show 3 users when I am the only user logged on:
>> t420: who
>> joe      tty8         2017-07-28 09:20 (:0)
>> joe      pts/8        2017-07-28 09:20 (:0)
>> joe      pts/7        2017-11-22 15:42 (:0)

>>
>>
>>
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>
>
>
>
> --
> James McPhee
>
>
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