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Help needed to understand partitions in linux

 
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Old 04-23-2010
Quote:
Originally Posted by pinga123
Hi guys,

It has been more than 2 month i switched to linux but i m still very much confused how linux handles and names the partitions.

I have gone through couple of beginners material and found linux doesnt treat partitions as c: and d: instead it uses /dev/hda1 /dev/hda2 hda3. But now i have come across something like dev/sda1 dev/sda5 tmpfs
With the change to SATA and so forth, nearly all disks are treated as SCSI by the linux kernel these days, hence sda. Even USB disks are treated as SCSI. And if you had a RAID device installed you might start seeing some really wacky device names. Ultimately the names aren't as important as how they're used. /dev/hda1 really isn't like c:\, as c:\ gives you files, while /dev/hda1 is the raw partition contents.
 
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LEARN ABOUT V7

findfs

FINDFS(8)						       System Administration							 FINDFS(8)

NAME

       findfs - find a filesystem by label or UUID

SYNOPSIS

       findfs NAME=value

DESCRIPTION

       findfs  will  search the block devices in the system looking for a filesystem or partition with specified tag. The currently supported tags
       are:

       LABEL=<label>
	      Specifies filesystem label.

       UUID=<uuid>
	      Specifies filesystem UUID.

       PARTUUID=<uuid>
	      Specifies partition UUID. This partition identifier is supported for example for GUID  Partition	Table (GPT) partition tables.

       PARTLABEL=<label>
	      Specifies partition label (name). The partition labels are supported for example for GUID Partition Table  (GPT)	or  MAC  partition
	      tables.

       If the filesystem or partition is found, the device name will be printed on stdout.

       The complete overview about filesystems and partitions you can get for example by

	      lsblk --fs

	      partx --show <disk>

	      blkid

EXIT STATUS

	      0      success
	      1      label or uuid cannot be found
	      2      usage error, wrong number of arguments or unknown option

AUTHOR

       findfs was originally written by Theodore Ts'o <tytso@mit.edu> and re-written for the util-linux package by Karel Zak <kzak@redhat.com>.

ENVIRONMENT

       LIBBLKID_DEBUG=all
	      enables libblkid debug output.

SEE ALSO

       blkid(8), lsblk(8), partx(8)

AVAILABILITY

       The  findfs  command  is  part of the util-linux package and is available from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils
       /util-linux/>.

util-linux							    March 2014								 FINDFS(8)