Unix/Linux Go Back    


BSD 2.11 - man page for chown (bsd section 2)

Linux & Unix Commands - Search Man Pages
Man Page or Keyword Search:   man
Select Man Page Set:       apropos Keyword Search (sections above)


CHOWN(2)										 CHOWN(2)

NAME
       chown - change owner and group of a file

SYNOPSIS
       chown(path, owner, group)
       char *path;
       int owner, group;

       fchown(fd, owner, group)
       int fd, owner, group;

DESCRIPTION
       The  file  that	is  named  by path or referenced by fd has its owner and group changed as
       specified.  Only the super-user may change the owner of the file, because  if  users  were
       able  to  give  files  away,  they could defeat the file-space accounting procedures.  The
       owner of the file may change the group to a group of which he is a member.

       On some systems, chown clears the set-user-id and set-group-id bits on the file to prevent
       accidental creation of set-user-id and set-group-id programs.

       Fchown  is  particularly  useful when used in conjunction with the file locking primitives
       (see flock(2)).

       One of the owner or group id's may be left unchanged by specifying it as -1.

       If the final component of path is a symbolic link, the ownership and group of the symbolic
       link is changed, not the ownership and group of the file or directory to which it points.

RETURN VALUE
       Zero  is returned if the operation was successful; -1 is returned if an error occurs, with
       a more specific error code being placed in the global variable errno.

ERRORS
       Chown will fail and the file will be unchanged if:

       [ENOTDIR]      A component of the path prefix is not a directory.

       [EINVAL]       The pathname contains a character with the high-order bit set.

       [ENAMETOOLONG] A component of a pathname exceeded 255 characters, or an entire  path  name
		      exceeded 1023 characters.

       [ENOENT]       The named file does not exist.

       [EACCES]       Search permission is denied for a component of the path prefix.

       [ELOOP]	      Too many symbolic links were encountered in translating the pathname.

       [EPERM]	      The effective user ID is not the super-user.

       [EROFS]	      The named file resides on a read-only file system.

       [EFAULT]       Path points outside the process's allocated address space.

       [EIO]	      An I/O error occurred while reading from or writing to the file system.

       Fchown will fail if:

       [EBADF]	      Fd does not refer to a valid descriptor.

       [EINVAL]       Fd refers to a socket, not a file.

       [EPERM]	      The effective user ID is not the super-user.

       [EROFS]	      The named file resides on a read-only file system.

       [EIO]	      An I/O error occurred while reading from or writing to the file system.

SEE ALSO
       chown(8), chgrp(1), chmod(2), flock(2)

4th Berkeley Distribution		   May 22, 1986 				 CHOWN(2)
Unix & Linux Commands & Man Pages : ©2000 - 2018 Unix and Linux Forums


All times are GMT -4. The time now is 01:23 AM.