March 2012
Beginner to intermediate
230 pages
7h 27m
English
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Name
umount — stdin stdout - file -- opt --help --version
Synopsis
umount [options] [device|directory]
umount does the opposite of
mount: it makes a disk partition
unavailable via the filesystem. For instance, if you’ve mounted a
CD-ROM disc, you can’t eject
it until it’s umounted:
$ umount /media/cdrom
Always unmount a removable medium before ejecting it or you risk damage to its filesystem. To unmount all mounted devices:
# umount -a
Don’t unmount a filesystem that’s in use; in fact, the
umount command will refuse to do
so for safety reasons.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.