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Thread: identify ps output

  1. #1

    Default identify ps output

    Hi all,
    I noticed when running "ps -ef" that there are a bunch of processes listed with brackets. ie "[process]". Some of them appear to be daemons and others look more like kernel modules? I haven't found a program directly associated with them and was hoping somebody could clarify this for me?

    Also, if I run a search of the file system with sudo or as root, there is a directory in my home that returns a permission denied. I understand permissions but shouldn't operations as root be able to do/access anything on the system?

    Thanks
    Greyangel
    Gateway desktop / AMD64 / OpenSUSE 11.3 / 2.6.34.7-0.5-desktop

  2. #2
    Join Date
    Jun 2008
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    Default Re: identify ps output

    That directory is most probably .gvfs. There was a thread about it lately. Try the search function to find it. (Well the result was: it is nasty, but forget about it).
    Henk van Velden

  3. #3
    Join Date
    Jun 2008
    Location
    Netherlands
    Posts
    25,156

    Default Re: identify ps output

    And a look at ps -ef output reveals that all the [...] ones are children of process #2 kthreadd. A quick Google reveals that this means "kernel thread daemon".
    I leave it to you to dig deeper.
    Henk van Velden

  4. #4

    Default Re: identify ps output

    Maybe a simple tool like pstree could help. It is in the package psmisc, together with another useful command: killall.

  5. #5

    Default Re: identify ps output

    aha. I'd overlooked the relationship between kthreadd and the others. kthreadd would appear to be the process that manages dynamically loadable kernel modules, or at least various kernel thread as needed. I might not have my terminology straight...

    Nailed the .gvfs thing :-)

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