Welcome to SecurityTube.net. Power Tools - introduction to Application Software Launchers - Hack the Day. Command-line lifesavers. If you’re new to the command line, you’ve probably heard horror stories about people who’ve erased all their files with one command.
And if you’re a Terminal veteran, you’ve undoubtedly had a few brushes with disaster. When you work with the command line, you work without a safety net—there’s no Trash to fish files out of and no Undo command. Linux Commands - A practical reference. Ten OS X Command Line Utilities you might not know about. Hack This Site!