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MOUNT(8)                    System Manager's Manual                   MOUNT(8)

       mount, umount - mount and dismount file system

       /etc/mount [ special name [ -r ] ]

       /etc/mount -a

       /etc/umount special

       /etc/umount -a

       Mount  announces  to the system that a removable file system is present
       on the device special.  The file name must exist already; it must be  a
       directory  (unless  the root of the mounted file system is not a direc-
       tory).  It becomes the name of the newly mounted  root.   The  optional
       argument -r indicates that the file system is to be mounted read-only.

       Umount  announces  to  the system that the removable file system previ-
       ously mounted on device special is to be removed.

       If the -a option is present for either mount or umount, all of the file
       systems  described  in  /etc/fstab  are  attempted  to  be  mounted  or
       unmounted.  In this case, special and name are taken  from  /etc/fstab.
       The special file name from /etc/fstab is the block special name.

       These  commands  maintain  a table of mounted devices in /etc/mtab.  If
       invoked without an argument, mount prints the table.

       Physically write-protected and  magnetic  tape  file  systems  must  be
       mounted  read-only  or errors will occur when access times are updated,
       whether or not any explicit write is attempted.

       /etc/mtab mount table
       /etc/fstab     file system table

       mount(2), mtab(5), fstab(5)

       Mounting file systems full of garbage will crash the system.
       Mounting a root directory on a non-directory makes some apparently good
       pathnames invalid.

4th Berkeley Distribution       4 February 1983                       MOUNT(8)