Linux is a multi-user operating system, even if you are the only person using your computer. The most basic of systems has two users: you and the superuser, which is also called root. Every file or ...
For this example I use Linux kernel version 2.2.17. The 2.4.0-test8 kernel that I tried did not size the RAM disk for the root file system properly, leading to a ``not enough memory'' message at boot ...