What is + in Linux file/direcory permission column?


Recently when I was surfing around the /var/log directory I’ve noticed some directory has a ‘+’ symbol in the file permission column while other have a ‘.’ (dot) in their file permission column. Does anyone know what the ‘.’ (dot) or ‘+’ means in the file permission?

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Quoted from man acl:

• For files that have a default ACL or an access ACL that contains more than the three required ACL entries, the ls(1) utility in the long form produced by ls -l displays a plus sign (+) after the permission string.

i.e. it means Access Control Lists in effect.

Answered By – choroba

This Answer collected from stackoverflow, is licensed under cc by-sa 2.5 , cc by-sa 3.0 and cc by-sa 4.0

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