• UNIX

    Unix (all-caps UNIX for the trademark) is a multitasking, multiuser computer operating system that exists in many variants. The original Unix was developed at AT&T's Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

  • MAC OSX is UNIX

    Even Mac OSX is developed is a series of Unix-based graphical interface operating systems developed and marketed by Apple Inc.

  • LINUX / UNIX

    Linux invented by Linus Torwalds , a finnish student as a project, which has grown to vast area of development where thousands of developers are been working upgrading the LINUX

7.06.2013

Journaling

3:28 AM 0
Journaling avoids the time-consuming check that is automatically performed on a filesystem when it is abruptly unmounted for instance, as a consequence of a system cras...

System Calls

3:23 AM 0
             Operating systems offer processes running in User Mode a set of interfaces to interact with hardware devices such as the CPU, disks,and printers. Putting an extra layer between the application and the hardware has several advantages. First, it makes programming easier by freeing users from studying low-level programming characteristics...
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