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I can't find any info on the /sys folder in the FHS and I was wondering what is in it and what it's for. If I erased it using a ...
  1. 12-09-2005 #1
    smolloy
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    What is the /sys folder for and can I delete it?



    I can't find any info on the /sys folder in the FHS and I was wondering what is in it and what it's for.

    If I erased it using a liveCD would it be regenerated next time I boot Gentoo??
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  2. 12-09-2005 #2
    loft306
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    err... it seems to have device information in it (hardware information) i wouldnt nuke it
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  3. 12-09-2005 #3
    smolloy
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    I thought so.

    The reason I'm asking is that I'm getting a load of errors on boot that say that it is trying to rm each and every folder in sys but can't, so I was wondering if I could erase it with a liveCD and then it would be regenerated next time I boot into Gentoo.

    Perhaps I'll just rename the folder to see what happens -- that way I'll at least have a backup if it dies.
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  4. 12-09-2005 #4
    jaboua
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    Quote Originally Posted by smolloy
    I thought so.

    The reason I'm asking is that I'm getting a load of errors on boot that say that it is trying to rm each and every folder in sys but can't, so I was wondering if I could erase it with a liveCD and then it would be regenerated next time I boot into Gentoo.

    Perhaps I'll just rename the folder to see what happens -- that way I'll at least have a backup if it dies.
    I think SysFS is a kernel filesystem, placed in /sys.
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  5. 12-09-2005 #5
    anomie
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    Right, I don't see it in the standard hierarchy either. Maybe it's an artifact from some old standard.

    Just curious - is it a symlink to a different directory?
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  6. 12-09-2005 #6
    jaboua
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    Quote Originally Posted by anomie
    Right, I don't see it in the standard hierarchy either. Maybe it's an artifact from some old standard.

    Just curious - is it a symlink to a different directory?
    I thought sysfs was something very new, from 2.6.13 or something?

    EDIT:
    From wikipedia:
    Quote Originally Posted by Wikipedia.org
    Sysfs is a virtual file system provided by the 2.6 Linux kernel. Sysfs exports information about devices and drivers from the kernel device model to userspace, and is also used for configuration.
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  7. 12-09-2005 #7
    anomie
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    How about that. It's there on my SLES installation as well.
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  8. 12-09-2005 #8
    jaboua
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    Quote Originally Posted by anomie
    How about that. It's there on my SLES installation as well.
    SLES = ?
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  9. 12-09-2005 #9
    smolloy
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    Quote Originally Posted by Wikipedia.org
    Sysfs is a virtual file system provided by the 2.6 Linux kernel. Sysfs exports information about devices and drivers from the kernel device model to userspace, and is also used for configuration.
    I wonder if that means that it's safe to erase since the kernel will regenerate it on boot??
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  10. 12-09-2005 #10
    anomie
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    SuSE Linux Enterprise Server.

    http://www.novell.com/products/linuxenterpriseserver/

    There is an instance of it installed on a VM (Virtual Machine, before you ask ) on our mainframe that I use for testing some things.
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