Author: Brian Hill
Category: Utilities
Shared by: Alex
On: 2018-07-10 10:39:40
Updated by: Alex
On: 2018-07-10 10:47:31
Rating: 0.00 Clarus out of 10 (0 vote)
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  • MacJanitor Application Window 
  • MacJanitor DMG contents 

What is MacJanitor?

Runs system maintenance scripts for machines that are not on 24/7.

Citation from the accompaying "Read Me First.rtf" file found after extraction of the .sit and mounting the .dmg file.

MacJanitor is designed to be used on a periodic basis by Mac OS X  users who don't leave their computer on (and awake) 24 hours a day. MacJanitor is provided as freeware as a service to laptop and energy-conscious home users.

The Unix subsystems on Mac OS X were originally written for machines that were typically never shut off. Mac OS X inherits this assumption in version 1.0, and has many system maintenance tasks that are scheduled to run between 3 am and 5 am. In addition, there are scripts designed to run weekly on weekends, and once a month in the middle of the night.

If these maintenance tasks are never run (such as on a laptop that is always shut off at night), many log files and system databases will grow extremely large or fail to get backed up.


MacJanitor does the same thing as the following 3 terminal commands:

sudo sh /etc/daily
sudo sh /etc/weekly
sudo sh /etc/monthly

MacJanitor provides a way to run these system tasks at the click of a button.

Download MacJanitor for Mac

MacJanitor_1-2-1.dmg.sit (307.65 KiB / 315.03 KB)
/ compressed w/ Stuffit
32 / 2018-07-10 / 3dc0986295637dbb6cfb5778c8b616f70273505a / /



System Requirements

From Mac OS 10.2

Compatibility notes

Works without issue in Tiger and perhaps Leopard and Snow Leopard but the latter two have not been tested.

Emulating this? It should run fine under: QEMU

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