August 2000
Intermediate to advanced
816 pages
29h 45m
English
book
Linux in a Nutshell, Third Edition
by Ellen Siever, Stephen Spainhour, Jessica P. Hekman, Stephen Figgins
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Name
umount
Synopsis
umount [options] [special-device/directory]
Description
System administration command. Unmount a filesystem. umount announces to the system that the removable file structure previously mounted on device special-device is to be removed. umount also works by specifying the directory. Any pending I/O for the filesystem is completed, and the file structure is flagged as clean.
Options
- -a
Unmount all filesystems that are listed in /etc/mtab.
- -n
Unmount, but do not record changes in /etc/mtab.
- -t type
Unmount only filesystems of type type.
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