"The kernel is the essential center of Linux, providing all
the basic services for all other parts of the operating
"Linux was once seen as a kind of counter-culture hacker
experiment. But as Linux has increasingly become a mission-critical
part of many organizations, a deep knowledge of Linux is
increasingly valued as a sophisticated display of programming
skill. In order to really understand Linux, you must understand the
"Linux was developed by Linus Torvalds at the University of
Helsinki in Finland. To complete the operating system, Torvalds and
other team members made use of system components developed by
members of the Free Software Foundation for the GNU project. Thus,
the only software to which the term "Linux" applies is the kernel.
The Linux kernel is responsible for the sophisticated memory
management of the whole system, and the force behind Linux
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