This a small how-to on getting block size of a file system in your Linux machine. To go in to that info we have to learn bit information about file-system.

What is a file-system?

In simple, it’s a way we write data on to Disks is called as file-system. There are many File-systems supported by Linux.

What is  block size in Linux?

A block is a sequence of bit or Bytes with a fixed length ie 512 bytes, 4kB, 8kB, 16kB, 32kB etc.

blockdev --getbsz partition


# blockdev --getbsz /dev/sda1 

So the block size of this file system is 4kB.

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Mr Surendra Anne is from Vijayawada, Andhra Pradesh, India. He is a Linux/Open source supporter who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. He works as Devops Engineer with Taggle systems, an IOT automatic water metering company, Sydney . You can contact him at surendra (@) linuxnix dot com.