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Yasu was originally created with System Administrators who service large groups of workstations in mind, Yasu (Yet Another System Utility) was made to do a specific group of maintenance tasks quickly within a few clicks, rather than needing to endlessly type shell script commands in the Terminal application.

Yasu allows system administrators, as well as the average user, to conveniently run various system level Unix shell scripts in order to perform maintenance routines and clear the many cache files used by OS X. Yasu was designed to be a simple, first line of attack for a workstation that has started "acting up." More more...

What's New

Version 2.9:

  • Finally 100% compatible with OS X 10.9.
  • Distributed as a developer signed application, so you know it's from me.
  • Only runs on OS X 10.7 or later.
  • Complete re-write of cache clearing routines for these operating systems.
  • Changed the order of processes run to make more sense.
  • Blank administrator passwords now work on OS X 10.9.
  • Many more...


  • OS X 10.7 or later

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Current Version (2.x)


Downloads 104,135
Version Downloads 3,539
License Free
Date 27 Apr 2014
Platform Intel 64 / OS X
Price Free
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