For advanced Mac users who want a simple way to view all active processes along with the files, directories, sockets, and pipes they are accessing, the free Sloth tool might come in handy.

Sloth essentially serves as a graphical interface for lsof, a potent command-line utility that enables you to identify which applications and processes are engaging with particular files, utilizing the internet, maintaining open network connections, and more. Instead of entering multiple lsof commands with different flags, the Sloth app provides an intuitive GUI where you can tweak toggles to uncover various details about processes and their interactions within the system.

• Download Sloth for free from the developer's GitHub page.

After downloading the app, bypass Gatekeeper to launch it and start using it right away.

Clicking on any item will provide further details about that specific process or application.

Sloth is open-source, so if you're curious about how it functions, you can explore its codebase.

The creator of Sloth explains the app as follows:

Sloth is a Mac-native application that displays every open file, directory, socket, pipe, and device currently in use by all running processes on your system. This simplifies checking which apps are interacting with certain files, among other things.

– Displays all open files, directories, IP sockets, devices, Unix domain sockets, and pipes – Filters based on name, access mode, volume, type, location, or through regular expressions – Sorts entries by process name, file count, type, process ID, user ID, Carbon PSN, bundle UTI, etc. – Shows IP socket status, protocol, port, and version – Lists sockets and pipes connected between processes – Detailed inspection window showing macOS and Unix file/socket/process information – Comprehensive contextual menu for file operations – In-app authentication for running with elevated privileges – Highly efficient and responsive native app coded in Objective-C/Cocoa

Sloth is fundamentally a user-friendly, exploratory graphical interface built upon the lsof command-line tool. The output of lsof is processed and displayed in a sortable, searchable outline format with numerous added conveniences. See the screenshots below.

If this sounds useful to you, give it a try!

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