lsof (LiSt Open Files)
lsof is a command for LiSting Open Files
. You can use lsof for example to:
- Find uses of a specific open file:
lsof /path/to/file
- Find an unlinked open file:
lsof +L1
- Find processes blocking umount:
lsof /mnt
- Find tcp/udp sockets:
lsof -i
- Find files open to a process with known PID:
lsof -p 1234
- Find files open to a named command:
lsof -c bash
- Find files open by a specific user:
lsof -u somebody
History
lsof was originally developed and maintained by Vic Abell since 1994. The lsof-org team at GitHub takes over the maintainership of lsof. You can find the latest release at GitHub Release.
OS Support
Actively maintained and supported:
- Linux
- FreeBSD
- Darwin(macOS)
- NetBSD
- OpenBSD
- Solaris/OpenIndiana
Not maintained for lack of maintainers but pull requests are welcome:
- IBM AIX
- HP-UX
- SCO OpenServer
- UnixWare
lsof is tested in ci on the following platforms:
- Alpine Linux 3.17
- Arch Linux
- CentOS 8/9
- Debian 11
- Fedora 36/37
- FreeBSD 12/13/14
- macOS Big Sur
- NixOS
- openSUSE Leap 15
- Ubuntu 18.04/20.04/22.04
- NetBSD 9
- OpenBSD 7
Additionally, lsof is tested by maintainers manually on the following platforms:
- Solaris 11
- OpenIndiana 5
lsof is provided by package manager in the following repositories: