What Is Block Special File in Linux?
Contents What Is a Block Special File? “Block Special Files or Block Devices Provide Buffered Access to Hardware Devices, and Provide Some Abstraction from...
What is a block special file?
“Block special files or block devices provide buffered access to hardware devices, and provide some abstraction from their specifics. Unlike character devices, block devices will always allow the programmer to read or write a block of any size (including single characters/bytes) and any alignment.
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Which is an example for block special file in Linux?
Block special files
A block device is any device which performs data I/O in units of blocks. Examples of block special files: /dev/sdxn — mounted partitions of physical storage devices. The letter x refers to a physical device, and the number n refers to a partition on that device.