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Full Discussion: concept of mount point
Top Forums UNIX for Dummies Questions & Answers concept of mount point Post 302075964 by Vikas Sood on Wednesday 7th of June 2006 10:14:22 PM
Old 06-07-2006
concept of mount point

Hi All

I Know it is a really basic and stupid question perhaps...But I am going bonkers..

I have following valid paths in my unix system:

1. /opt/cdedev/informatica/InfSrv/app/bin
2. /vikas/cdedev/app

Both refer to the same physical location. So if I created one file 'test' in first
path, when i cd to /vikas/cdedev/app and do a ls -ltr, i see the 'test' file

When I do a df -k . on 1 and 2 above, i get the same mount point which is as follows:

/vikas/cdedev/app

Now, I am perhaps taking a long shot, but the most logical reasoning I can give myself is mount point is nothign but actual physical location in hard drive whereas directories are logical pointers to mount points. So 1 and 2 above are logical pointers to the same physical location. In other words, they point to the same mount point.

I might be way off. In any case, can somebody throw some light on following:

a. concept of mount point as well as Unix file system?

b. Is it possible to see which directories refer to one particular mount point by some unix command?

Appreciate it much.
 

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MSDOSFS(5)						      BSD File Formats Manual							MSDOSFS(5)

NAME
msdosfs -- MS-DOS file system SYNOPSIS
options MSDOSFS DESCRIPTION
The msdosfs driver will permit the FreeBSD kernel to read and write MS-DOS based file systems. The most common usage follows: mount -t msdosfs /dev/ada0sN /mnt where N is the partition number and /mnt is a mount point. Some users tend to create a /dos directory for msdosfs mount points. This helps to keep better track of the file system, and make it more easily accessible. It is possible to define an entry in /etc/fstab that looks similar to: /dev/ada0sN /dos msdosfs rw 0 0 This will mount an MS-DOS based partition at the /dos mount point during system boot. Using /mnt as a permanent mount point is not advised as its intention has always been to be a temporary mount point for floppy and ZIP disks. See hier(7) for more information on FreeBSD direc- tory layout. SEE ALSO
mount(2), unmount(2), mount(8), mount_msdosfs(8), umount(8) AUTHORS
This manual page was written by Tom Rhodes <trhodes@FreeBSD.org>. BSD
October 1, 2013 BSD
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