commandlinefu.com is the place to record those command-line gems that you return to again and again.
You can sign-in using OpenID credentials, or register a traditional username and password.
Subscribe to the feed for:
This command is great for dumping your history so that when you're working on a system that is under a shared account, you can keep others from reviewing your history file. I use this when I'm just visiting a system to diagnose a problem, or to make a quick fix.