Linux Tips

These are some of those command which is likely to damage your Ubuntu operating system!  Please DO NOT use any of them with out proper knowledge , just read it! sudo rm -rf / (will delete all your files on your system) - required administrator rights! sudo rm -rf . (will delete the current directory your in) -  required  administrator rights! sudo rm -rf * (will delete all the files in the current folder) -  required  administrator rights! rm -rf * or rm -rf *.* ( will delete all the files in the current folder) - No administrator rights needed! rm -rf ~/ & ( will destroy your home directory) - No administrator rights needed Commands which will erase your harddisk! sudo mkfs (will format your hard drive) -  required  administrator rights! sudo mkfs.ext3 ( will format your hard drive) -  required  administrator rights! sudo mkfs.bfs ( will format your hard drive) -  required  administrator rights! sudo mkfs.cramfs ( will format your hard drive) - No administrator rights needed...