How to Change Linux Partition Label Names on EXT4 / EXT3 / EXT2 and Swap

A Partition is a space carved out from a physical disk which can be used to either install an Operating System or just act as a storage space for Users files and other data. Each partition is created directly on Hard Disk or External Disk attached to the system with starting and ending block address identifying the amount of space it takes on the drive.

Change Linux Partition Disk Label Names

Although you can create n number of partitions you desire but a Linux system identifies maximum of 16 partitions which can be associated to any of SCSI, SATA, PATA or virtual hard disk. For identifying above partitions, A Linux system has its own general convention. That convention is in the form ‘/dev/sdxn‘ or ‘/dev/vdxn‘ where ‘x‘ is alphabet and ‘n‘ a number.

Here, '/dev' is the directory in '/' file system which holds files associated to each of the devices attached to a Linux system. After that 's' identifies a SATA, SCSI or PATA drive and 'v' is for virtual disks on KVM based Machines. The next alphabet i.e. 'd' is acronym for device and finally the next alphabet identifies the drive attached.

Linux Important Filesystem Directory Structure and Paths Explained

If your system has 4 hard disks, you may find listing for: /dev/sda, /dev/sdb, /dev/sdc, /dev/sdd in the output of fdisk command when ‘l’ option is invoked.

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