Enabling users to mount filesystems

In the Filesystem Manager, select Add Mount Configuration or Modify Mount Configuration from the Mount menu, then select Yes for ``Can Users Mount''.

Under normal circumstances, only root, programs run as root, and users with the sysadmin and backup (or queryspace) authorizations





can mount and unmount filesystems with the Filesystem Manager or the mount(ADM)
and umount(ADM)
commands. However, when you select this mount option for a filesystem, you can enable users to mount and unmount the filesystem using the mnt(C)
and umnt(C)
commands. The mnt command allows users other than root to access the functionality of mount for that particular filesystem.

For example, if you enable users, they can mount the /usr filesystem by entering:

mnt /usr

To unmount the filesystem, users enter:

umnt /usr

Instruct your users in these proper mounting procedures:

• Unmount filesystems when not in regular use.

• You cannot use mnt and umnt if your current working directory is under the mount point for the filesystem that you want to unmount. For example, if the current working directory is /usr/mark and you try to unmount /usr, you see:

  
  
     unmount: filesystem busy:  Device busy
  

  To unmount the filesystem, you must change to a directory that is not under the filesystem mount point and issue the umnt command again.

• You can display a list of mounted filesystems with mnt. The mnt -t command lists all the local and remote filesystems known to the system
  (the contents of the /etc/default/filesys file). If the value of ``Can Users Mount'' is No, regular users cannot mount the filesystem.

See also:

• ``Enabling user mounting of SCO Gateway for NetWare filesystems'' in the Guide to Gateways for LAN Servers

• filesys(F) manual page

• su(C) manual page

• asroot(ADM) manual page

• chmod(C) manual page

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