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File: coreutils.info,  Node: mkdir invocation,  Next: mkfifo invocation,  Prev: ln invocation,  Up: Special file types

12.3 'mkdir': Make directories
==============================

'mkdir' creates directories with the specified names.  Synopsis:

     mkdir [OPTION]... NAME...

   'mkdir' creates each directory NAME in the order given.  It reports
an error if NAME already exists, unless the '-p' option is given and
NAME is a directory.

   The program accepts the following options.  Also see *note Common
options::.

'-m MODE'
'--mode=MODE'
     Set the file permission bits of created directories to MODE, which
     uses the same syntax as in 'chmod' and uses 'a=rwx' (read, write
     and execute allowed for everyone) for the point of the departure.
     *Note File permissions::.

     Normally the directory has the desired file mode bits at the moment
     it is created.  As a GNU extension, MODE may also mention special
     mode bits, but in this case there may be a temporary window during
     which the directory exists but its special mode bits are incorrect.
     *Note Directory Setuid and Setgid::, for how the set-user-ID and
     set-group-ID bits of directories are inherited unless overridden in
     this way.

'-p'
'--parents'
     Make any missing parent directories for each argument, setting
     their file permission bits to the umask modified by 'u+wx'.  Ignore
     existing parent directories, and do not change their file
     permission bits.

     To set the file permission bits of any newly-created parent
     directories to a value that includes 'u+wx', you can set the umask
     before invoking 'mkdir'.  For example, if the shell command '(umask
     u=rwx,go=rx; mkdir -p P/Q)' creates the parent 'P' it sets the
     parent's permission bits to 'u=rwx,go=rx'.  To set a parent's
     special mode bits as well, you can invoke 'chmod' after 'mkdir'.
     *Note Directory Setuid and Setgid::, for how the set-user-ID and
     set-group-ID bits of newly-created parent directories are
     inherited.

'-v'
'--verbose'
     Print a message for each created directory.  This is most useful
     with '--parents'.

'-Z'
'--context[=CONTEXT]'
     Without a specified CONTEXT, adjust the SELinux security context
     according to the system default type for destination files,
     similarly to the 'restorecon' command.  The long form of this
     option with a specific context specified, will set the context for
     newly created files only.  With a specified context, if both
     SELinux and SMACK are disabled, a warning is issued.

   An exit status of zero indicates success, and a nonzero value
indicates failure.


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