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Sloth is a program that displays a list of all open files in use by all the applications your user account is running on the system, including IP and Unix sockets, character devices and directories. This list is presented along with the names of applications using the file and their process IDs. This makes it easy to monitor what applications are 'locking' which files. Sloth is a graphical interface front-end to 'lsof', a powerful unix tool.

What's New

Version 1.6
  • Asynchronous refresh
  • Much improved performance
  • UI improvements
  • New filtering options
  • Smarter regex filtering
  • Load results as root without restart
  • Expanded sorting options
  • Migrated project to ARC, modern Objective-C and XCode 7
  • Substantial rewrite
  • Now requires OS X 10.8 or later


  • OS X 10.8 or later

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4 2


Current Version (1.x)


Downloads 8,756
Version Downloads 660
Type Utilities / System
License Free
Date 24 Feb 2016
Platform Intel 64 / OS X
Price Free
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