umount.cifs man page on JazzOS

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       umount.cifs  -  for normal, non-root users, to unmount their own Common
       Internet File System (CIFS) mounts

       umount.cifs {mount-point} [-nVvhfle]

       This tool is part of the samba(7) suite.

       umount.cifs unmounts a Linux CIFS filesystem. It can be	invoked	 indi‐
       rectly by the umount(8) command when umount.cifs is in /sbin directory,
       unless you specify the "-i" option to umount. Specifying -i  to	umount
       avoids execution of umount helpers such as umount.cifs. The umount.cifs
       command only works in Linux, and	 the  kernel  must  support  the  cifs
       filesystem.  The CIFS protocol is the successor to the SMB protocol and
       is supported by most Windows servers and many other commercial  servers
       and  Network Attached Storage appliances as well as by the popular Open
       Source server Samba.

       The umount.cifs utility detaches the local directory  mount-point  from
       the  corresponding  UNC	name (exported network resource) and frees the
       associated kernel resources.  It	 is  possible  to  set	the  mode  for
       umount.cifs to setuid root (or equivalently update the /etc/permissions
       file) to allow non-root users to umount shares to directories for which
       they  have  write  permission. The umount.cifs utility is typically not
       needed if unmounts need only be performed by root  users,  or  if  user
       mounts  and  unmounts  can  rely	 on  specifying	 explicit  entries  in
       /etc/fstab See


	      print additional debugging information

	      Do not update the mtab even if  unmount  completes  successfully
	      (/proc/mounts will still display the correct information)

       This  command  is  normally intended to be installed setuid (since root
       users can already run unmount). An alternative to using umount.cifs  is
       to  add	specfic entries for the user mounts that you wish a particular
       user or users to mount and unmount to /etc/fstab

       The primary mechanism for making configuration changes and for  reading
       debug  information  for the cifs vfs is via the Linux /proc filesystem.
       In the directory /proc/fs/cifs  are  various  configuration  files  and
       pseudo  files which can display debug information. For more information
       see the kernel file fs/cifs/README.

       At this time umount.cifs does not lock the mount table using  the  same
       lock  as	 the umount utility does, so do not attempt to do multiple un‐
       mounts from different processes (and in particular unmounts of  a  cifs
       mount and another type of filesystem mount at the same time).

       If  the same mount point is mounted multiple times by cifs, umount.cifs
       will remove all of the matching entries from the mount table  (although
       umount.cifs  will actually only unmount the last one), rather than only
       removing	 the  last  matching  entry  in	 /etc/mtab.   The   pseudofile
       /proc/mounts  will  display correct information though, and the lack of
       an entry in /etc/mtab does not prevent subsequent unmounts.

       Note that the typical response to a bug report is a suggestion  to  try
       the  latest  version  first. So please try doing that first, and always
       include which versions you use of relevant software when reporting bugs
       (minimum:  umount.cifs (try umount.cifs -V), kernel (see /proc/version)
       and server type you are trying to contact.

       This man page is correct for version 1.34 of the	 cifs  vfs  filesystem
       (roughly Linux kernel 2.6.12).

       Documentation/filesystems/cifs.txt and fs/cifs/README in the linux ker‐
       nel source tree may contain additional options and information.


       Steve French

       The syntax was loosely based on the umount utility and the manpage  was
       loosely	based  on  that	 of  mount.cifs.8. The man page was created by
       Steve French

       The maintainer of the Linux cifs vfs and the userspace tool umount.cifs
       is  Steve French. The Linux CIFS Mailing list is the preferred place to
       ask questions regarding these programs.


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