10 Must-Know Startup Commands
Mac OS X, Tips & Tricks - January 12th, 2007 - 3 Comments
OSXDaily.com has been a bit slow on the updates lately, we’ll pick up the pace again though soon! Last week we posted a list of seven useful Dock commands, and from Dan Rodney we found yet another great list of key commands, this time pertaining to the System Startup. Great for troubleshooting and general administration of your Mac, here are ten absolute essential startup commands for every Mac user to know.
Enjoy!
| Action/Explanation | Keystroke |
| Eject CD on boot | Hold Mouse button down immediately after powering on |
| OS X Safe boot | Press Shift during startup |
| Start up in FireWire Target Disk mode | Press T during startup |
| Startup from a CD | Press C during startup |
| Bypass primary startup volume and seek a different startup volume (CD, etc.) | Press Cmd-Opt-Shift-Delete during startup |
| Choose Startup disk before booting | Press Option during startup |
| Start up in Verbose mode | Press Cmd-V during startup |
| Start up in Single-User mode (command line) | Press Cmd-S during startup |
| Force Powerbook screen reset | Press R during startup |
| Force OS X startup | Press X during startup |
Source: Dan Rodney



Thanks for the reminder.
Thanks for the key commands! I recently switched to a mac and I appreciate any tips that assist in a smoother transition. By the way, I have no intentions of going back to my pc, I should have switched years ago! Keep up the great work here!
Thanks for sharing these command i was looking for this list from last two hours.