Linux Kernel is the crucial division of Linux, in charge for source distribution, low-level hardware interfaces, precautions, easy communications, with essential file system organization.

Linux is a replica of the operating system Unix, written from scrape by Linus Torvalds with help from a loosely-knit group of hackers across the Net. It aspires towards POSIX with Single UNIX Specification observance.

It has all the features you would be expecting in a current fully-fledged Unix, with correct multitasking, virtual memory, shared libraries, demand loading, common copy-on-write executables, proper memory management, with multistack networking with IPv4 as well as IPv6.

Even though initially developed foremost for 32-bit x86-based PCs (386 or higher), at present Linux also runs on (as a minimum) the Compaq Alpha AXP, Sun SPARC as well as UltraSPARC, Motorola 68000, PowerPC, PowerPC64, ARM, Hitachi SuperH, IBM S/390, MIPS, HP PA-RISC, Intel IA-64, DEC VAX, AMD x86-64, AXIS CRIS, with Renesas M32R architectures.

Linux is simply convenient to nearly all general-purpose 32- or 64-bit architectures as long as they have a paged memory management unit (PMMU) with a port of the GNU C compiler (gcc) (division of The GNU Compiler Suite, GCC). Linux has also been ported to an integer of architectures exclusive of a PMMU, even if functionality is then clearly too some extent restricted. See the Clinux project for more details.

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