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CLI Open source 355 installs/mo

lsof for Mac

Utility to list open files

Quick answer: lsof is a command-line tool for macOS. Install it with brew install lsof. It is distributed under the lsof licence. It has 355 Homebrew installs in the last 30 days.

What lsof is

lsof is a command-line tool for macOS: utility to list open files.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. The project is open source and lives at https://github.com/lsof-org/lsof.

How to install lsof

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install lsof.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

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Frequently asked questions

How do I install lsof on Mac?

Run brew install lsof in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is lsof open source?

Yes — Homebrew distributes it under the lsof licence.

Does lsof run on Apple silicon?

Homebrew publishes this formula for macOS. If upstream does not ship an Apple silicon build, Rosetta 2 handles the Intel binary.

How popular is lsof?

It was installed 355 times in the last 30 days according to Homebrew analytics, ranking #1851 in this catalogue.

What version of lsof is current?

The latest packaged version is 4.99.7.