In the absence of any options, lsof lists all open files belonging to all active processes.

lsof ... lsof is a command meaning "list open files", which is used in many Unix-like systems to report a list of all open files and the processes that opened them.

Dec 12, 2025 · The lsof command helps identify processes and allows users to manage or kill them as needed. This article will explain how to use the lsof command in Linux through …

Nov 6, 2025 · man lsof The lsof command turns “what’s using this?” into a one‑step answer by mapping open files, sockets, and ports to the exact processes that hold them.

Dec 4, 2023 · Linux simplifies handling a wide range of different resources by treating devices that accept or generate byte streams as files. The lsof command can be used to list open files in …

Jan 29, 2019 · This article teaches you how to list opened files by a user or a process by using the lsof command in Linux.

Dec 23, 2024 · lsof is a powerful utility available for Linux and Unix-based systems which literally stands for ‘list (of) open files’. Its main function is to retrieve details about various types of files …

Jun 1, 2025 · Linux lsof command help and information with lsof examples, syntax, security consideration, output, and related commands performed from the Linux command line.

lsof is a command for LiSting Open Files. You can use lsof for example to: lsof was originally developed and maintained by Vic Abell since 1994. The lsof-org team at GitHub takes over the …

The Linux lsof command shows in its output information about files that are opened by a process. In this article, we will discuss the Linux lsof tool using 15 easy-to-understand examples.