plus ("+") sign in file perms

Evuraan::ഏവൂരാന്‍ evuraan at gmail.com
Tue Jan 6 00:52:41 UTC 2009


Spot on..! Thanks..!

Since these're inside /dev,  what creates these dev files and sets up
their respective acls? udev?

$ stat /dev/adsp
  File: `/dev/adsp'
  Size: 0               Blocks: 0          IO Block: 4096   character
special file
Device: eh/14d  Inode: 11263       Links: 1     Device type: e,c
Access: (0660/crw-rw----)  Uid: (    0/    root)   Gid: (   29/   audio)
Access: 2008-12-26 19:15:44.666543234 -0800
Modify: 2008-12-26 19:15:44.666543234 -0800
Change: 2008-12-26 19:15:44.666543234 -0800


$ who -b
         system boot  2008-12-26 19:15



2009/1/5 Joel Goguen <jtgoguen at gmail.com>:
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> Evuraan::ഏവൂരാന്‍ wrote:
>> I've seen this mostly on hardy (coreutils ver 6.10)
>>
>> $ ls -l /dev |egrep "\+"
>> crw-rw----+ 1 root   audio    14,  12 2008-12-26 19:15 adsp
>> crw-rw----+ 1 root   audio    14,   4 2008-12-26 19:15 audio
>> crw-rw----+ 1 root   audio    14,   3 2008-12-26 19:15 dsp
>> crw-rw----+ 1 root   audio    14,   0 2008-12-26 19:15 mixer
>> brw-rw----+ 1 root   cdrom    11,   0 2008-12-26 19:15 scd0
>> crw-rw----+ 1 root   audio    14,   1 2008-12-26 19:15 sequencer
>> crw-rw----+ 1 root   audio    14,   8 2008-12-26 19:15 sequencer2
>>
>>
>> What does the "+" sign at the end of the 1st field, eg: crw-rw----+  denote?
>>
>> thx.
>>
> The + means the file (or device, or directory...) has ACL permissions
> set.  You can view these with 'getfacl /path/to/file', like so:
>
> getfacl /dev/dsp
>
>
> - --
>
> - --
> Joel Goguen
> Ubuntu User #15951
> When we help, we benefit
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