Hello Mary,
On Feb 15, 2010, Mary Otten wrote:
Thanks, Esther, for your response to my .sit file extension query.
The program is a simple maintenance utility called macjanitor that
is suppose to enable you to run the scheduled maintenance task for
the unix that that is the guts of os10 as I understand it. If you
leave your Mac off at night, these scripts don't get run, and this
little program is suppose to let you run them.
And for whatever reason, it does have that .sit extension.
Mary
I'm familiar with the Macjanitor program, along with other maintenance
programs. I don't want to dissuade you from using this, because it's
a fine program. However, as for the problem of not running
maintenance scripts when you leave your Mac off at night, I thought
that the system adjusts for that. This did used to be an issue for
laptop users in the days before (and maybe during) Tiger (OS X 10.2
and 10.3), but I believe this is now handled by the operating system
under Leopard and above.
If you want to run these scripts yourself, you can open a terminal
window (Command-Shift-U in Finder to go to the "Utilities" folder,
then press "t e" to go to "Terminal" and open the application (I use
Command-Down arrow). Then, in the terminal window, type:
sudo periodic daily
and then press the return key at the end of the command.
If you want, you can type the commands for weekly and monthly
maintenance on the same line:
sudo periodic daily weekly monthly (and press return)
(If you do these as separate commands, like "sudo periodic weekly"
you'll find that the "weekly" task takes longest to execute.)
After the first time you type a "sudo" command, you'll be prompted to
enter your Administrator password. (The "sudo" command is like the
"su" command in linux, where it indicates you're running this as a
"superuser" with Admin privileges.)
The Macjanitor package takes care of a number of useful maintenance
functions. So does the OnyX freeware program. I just didn't want to
leave people with the impression that something would go wrong with
their machines if they didn't run special software each night.
Basically, these jobs run tasks like cleaning out old log files, etc.
and are handled automatically starting with Leopard. Here's the (old)
Apple Knowledge Base article:
http://support.apple.com/kb/HT2319
(Mac OS X: How to force background maintenance tasks (logs and
temporary items))
HTH
Cheers,
Esther
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