noun
block device
Computing term for a storage device that handles data in fixed-size blocks, such as a hard disk or SSD.
Linuxでは、ハードディスクはブロックデバイスとして扱われる。
In Linux, hard disks are treated as block devices.
Variant with interpunct; less common but seen in technical writing.
A character device handles data as a stream of characters, unlike a block device which handles data in fixed-size blocks.
Loanword from English 'block device'.