Linux shell commands man chmod All In One

Linux shell commands man chmod All In One

MBP

xgqfrms-mbp:~ xgqfrms-mbp$ man chmod


             and entries will be removed regardless of their inherited state.

             If the user or group name contains spaces you can use ':' as the
             delimiter

             Example
              # chmod +a "User 1:allow:read" file

     =a#     Individual entries are rewritten using the =a# mode.

             Examples
              # ls -le
              -rw-r--r--+ 1 juser  wheel  0 Apr 28 14:06 file1
                owner: juser
                1: admin allow delete
              # chmod =a# 1 "admin allow write,chown"
              # ls -le
              -rw-r--r--+ 1 juser  wheel  0 Apr 28 14:06 file1
                owner: juser
                1: admin allow write,chown

             This mode may not be used to add new entries.

     -E      Reads the ACL information from stdin, as a sequential list of
             ACEs, separated by newlines.  If the information parses cor-
             rectly, the existing information is replaced.

     -C      Returns false if any of the named files have ACLs in non-canoni-
             cal order.

     -i      Removes the 'inherited' bit from all entries in the named file(s)
             ACLs.

     -I      Removes all inherited entries from the named file(s) ACL(s).

     -N      Removes the ACL from the named file(s).

COMPATIBILITY
     The -v option is non-standard and its use in scripts is not recommended.

SEE ALSO
     chflags(1), fsaclctl(1), install(1), chmod(2), stat(2), umask(2), fts(3),
     setmode(3), symlink(7), chown(8), mount(8), sticky(8)

STANDARDS
     The chmod utility is expected to be IEEE Std 1003.2 (``POSIX.2'') compat-
     ible with the exception of the perm symbol ``t'' which is not included in
     that standard.

HISTORY
     A chmod command appeared in Version 1 AT&T UNIX.

BSD                              July 08, 2004                             BSD
(END)

chmod 777

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refs

Linux change username

https://www.cnblogs.com/xgqfrms/tag/change username/

man

https://www.cnblogs.com/xgqfrms/tag/man

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