olemus
(salvestus)seadmefail, mille lugemine ja kirjutus toimub plokkhaaval, st mitte märkhaaval
= a type of file that is stored in blocks

ülevaateid
https://unix.stackexchange.com/questions/60034/what-are-character-special-and-block-special-files-in-a-unix-system
https://www.linux.com/blog/file-types-linuxunix-explained-detail