It's co-written by lots of different programmers who try to keep an homogeneous coding style, but in fact it differs from each other. The Internet Operating System Linux is a freely distributable operating system for PC architecture and others. Many substantial parts of the Linux kernel this series is writing about, were written by Linus Torvalds, a Finish computer science student. The first kernel was released on November, 1991. Multitasking Linux supports true multitasking.
All processes are independent.
None of them must release the processor to execute other process. Multiuser accessibility Linux is not only a multiuser operating system, but also has multiuser accessibility. Linux is able to share the same system resources among users connected through different terminals attached to the host. Executables loaded on demand Only needed parts of a program are loaded into memory to be executed. If any of these pages is required again, Linux will restored it from disk into its original memory location.