mount and demount in Linux CenOs

hana · 04-20-2013, 05:50 PM

how is the mount and demount in Linux Centos exactly ??

suicidaleggroll · 04-20-2013, 06:21 PM

The same as in all other Linux distros. Do you have a specific question?

hana · 04-20-2013, 06:53 PM

what for the mount and demount???

suicidaleggroll · 04-20-2013, 06:59 PM

Code:

mount device mountpoint

and

Code:

umount device
or
umount mountpoint

As I said, it's the same as in all other Linux distros.
Also like I said above, do you have a specific question? Presumably something that can't be answered in 2 seconds with a search on literally any search engine?

onebuck · 04-21-2013, 07:21 AM

Hi,

Welcome to LQ!

Quote:

Originally Posted by hana

how is the mount and demount in Linux Centos exactly ??

You can use the 'man command' either online or locally on 'cli' to define usage for commands.

If you do 'man mount';

Quote:

excerpt from 'man mount';
NAME
mount - mount a filesystem

SYNOPSIS
mount [-lhV]

mount -a [-fFnrsvw] [-t vfstype] [-O optlist]

mount [-fnrsvw] [-o option[,option]...] device|dir

mount [-fnrsvw] [-t vfstype] [-o options] device dir

DESCRIPTION
All files accessible in a Unix system are arranged in one big tree, the file hierarchy, rooted at /. These files can be spread out over several
devices. The mount command serves to attach the filesystem found on some device to the big file tree. Conversely, the umount(8) command will detach it
again.

The standard form of the mount command, is

mount -t type device dir

This tells the kernel to attach the filesystem found on device (which is of type type) at the directory dir. The previous contents (if any) and owner
and mode of dir become invisible, and as long as this filesystem remains mounted, the pathname dir refers to the root of the filesystem on device.

Quote:

excerpt from 'man umount';
NAME
umount - unmount file systems

SYNOPSIS
umount [-hV]

umount -a [-dflnrv] [-t vfstype] [-O options]
umount [-dflnrv] {dir|device}...

DESCRIPTION
The umount command detaches the file system(s) mentioned from the file hierarchy. A file system is specified by giving the directory where it has been
mounted. Giving the special device on which the file system lives may also work, but is obsolete, mainly because it will fail in case this device was
mounted on more than one directory.

Note that a file system cannot be unmounted when it is `busy' - for example, when there are open files on it, or when some process has its working
directory there, or when a swap file on it is in use. The offending process could even be umount itself - it opens libc, and libc in its turn may open
for example locale files. A lazy unmount avoids this problem.

Quote:

Just a few links to aid you to gaining some understanding;

  1 Linux Documentation Project 
2 Rute Tutorial & Exposition 
3 Linux Command Guide  
4 Bash Beginners Guide 
5 Bash Reference Manual 
6 Advanced Bash-Scripting Guide 
7 Linux Newbie Admin Guide 
8 LinuxSelfHelp 
9 Utimate Linux Newbie Guide
10 Linux Home Networking
11 Virtualization- Top 10

The above links and others can be found at 'Slackware-Links'. More than just Slackware® links!

Hope this helps!