lsof

linux

List open files — a Unix utility that lists all open files and the processes that opened them

Pronunciation

Correct

L-S-O-F

/ɛl ɛs oʊ ɛf/

Four individual letters, each spelled out. Stands for 'List Open Files'. Treating it as a word ('lsoff') is incorrect — it is always spelled out.

Source: github.com(official spec)