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Following the file mode bits is a single character that specifies whether an alternate access method such as an access control list applies to the file. When the character following the file mode bits is a space, there is no alternate access method. When it is a printing character, then there is such a method.
GNU ls uses a ‘.’ character to indicate a file with an SELinux security context, but no other alternate access method.
A file with any other combination of alternate access methods is marked with a ‘+’ character.
好像是ACL,我的centos6默认有的. |
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