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    Command:

    chacl

    
    
    

    SYNOPSIS

           chacl acl pathname...
           chacl -b acl dacl pathname...
           chacl -d dacl pathname...
           chacl -R pathname...
           chacl -D pathname...
           chacl -B pathname...
           chacl -l pathname...
           chacl -r pathname...
    
    
    

    DESCRIPTION

           chacl  is  an  IRIX-compatibility  command, and is maintained for those
           users who are familiar with its use from either XFS or IRIX.  Refer  to
           the  SEE  ALSO  section  below for a description of tools which conform
           more closely to the (withdrawn  draft)  POSIX  1003.1e  standard  which
           describes Access Control Lists (ACLs).
    
           chacl changes the ACL(s) for a file or directory.  The ACL(s) specified
           are applied to each file in the ppaatthhnnaammee arguments.
    
           Each ACL is a string which is interpreted  using  the  acl_from_text(3)
           routine.   These strings are made up of comma separated clauses each of
           which is of the form, tag:name:perm.  Where ttaagg can be:
    
           "user" (or "u")
                  indicating that the entry is a user ACL entry.
    
           "group" (or "g")
                  indicating that the entry is a group ACL entry.
    
           "other" (or "o")
                  indicating that the entry is an other ACL entry.
    
           "mask" (or "m")
                  indicating that the entry is a mask ACL entry.
    
           nnaammee is a string which is the user or group name for the ACL entry.   A
           null  nnaammee  in  a user or group ACL entry indicates the file's owner or
           file's group.  ppeerrmm is the string "rwx" where each of the  entries  may
           be  replaced  by  a  "-" indicating no access of that type, e.g. "r-x",
           "--x", "---".
    
    
    

    OPTIONS

           -b     Indicates that there are two ACLs to change, the  first  is  the
                  file access ACL and the second the directory default ACL.
    
           -d     Used to set only the default ACL of a directory.
    
           -R     Removes the file access ACL only.
    
           -D     Removes directory default ACL only.
    
    
           The  file  ACL  is  set  so that the file's owner has "rwx", the file's
           group has read and execute, and others have read  only  access  to  the
           file.
    
           An ACL that is not a minimum ACL, that is, one that specifies a user or
           group other than the file's owner or owner's group, must contain a mask
           entry:
    
             cchhaaccll uu::::rrwwxx,,gg::::rr--xx,,oo::::rr----,,uu::bboobb::rr----,,mm::::rr--xx ffiillee11 ffiillee22
    
           To  set the default and access ACLs on nneewwddiirr to be the same as on oolldd--
           ddiirr, you could type:
    
             cchhaaccll --bb ''cchhaaccll --ll oollddddiirr || \\
                 sseedd --ee ''ss//..**\\[[////'' --ee ''ss##//## ##'' --ee ''ss//]]$$////'''' nneewwddiirr
    
    
    

    CAUTIONS

           chacl can replace the existing ACL.  To add or delete entries, you must
           first  do  cchhaaccll --ll to get the existing ACL, and use the output to form
           the arguments to chacl.
    
           Changing the permission bits of a file will change the file access  ACL
           settings  (see  chmod(1)).   However,  file  creation  mode  masks (see
           umask(1)) will not affect the access  ACL  settings  of  files  created
           using directory default ACLs.
    
           ACLs  are  filesystem  extended  attributes and hence are not typically
           archived or restored using the conventional archiving  utilities.   See
           attr(5)  for  more  information  about extended attributes and see xfs-
           dump(8) for a method of backing them up under XFS.
    
    
    

    SEE ALSO

           getfacl(1), setfacl(1), chmod(1), umask(1),  acl_from_text(3),  acl(5),
           xfsdump(8)
    
    
    

    September 2001 ACL File Utilities CHACL(1)

    
    
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