Can't remember the command - used to clean up once a month

I read it watching a Lynda . com review and he said for mac, (I think it was either Shake or Photshop?) that once a month he holds a buttong down in mac during bootup until right before the bootup sound, or lets go right after. Its supposed to reset something, reindex, etc, etc, and get the system in tip top shape and nice and zippy.
Does it work and what is the "key"?
Thanks

I think you are asking how to decrease boot time, not increase it, right?
Login Items can be found in System Preferences > Accounts > Login Items tab. Do not remove login items without knowing what they are for, since some are necessary for normal operation of certain applications.
A faster drive will decrease boot time, but not by as much as you might think, probably no more than 10% or so. Since they typically use more power & that reduces battery run time, you will have to decide if the few seconds saved at startup is worth it.
Your owner's manual should have a section explaining how to replace the hard drive if yours is one of the laptops that makes it easy to swap out.

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