Unix (officially trademarked as UNIX, sometimes also written as Unix) is a multitasking, multi-user computer operating systemAT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna. The Unix operating system was first developed in assembly language, but by 1973 had been almost entirely recoded in C, greatly facilitating its further development and porting to other hardware. Today's Unix systems are split into various branches, developed over time by AT&T as well as various commercial vendors and non-profit organizations. The second edition of Unix was released on December 6th, 1972. originally developed in 1969 by a group of

The Open Group, an industry standards consortium, owns the “UNIX” trademark. Only systems fully compliant with and certified according to the Single UNIX Specification are qualified to use the trademark; others might be called "Unix system-like" or "Unix-like" (though the Open Group disapproves of this term). However, the term "Unix" is often used informally to denote any operating system that closely resembles the trademarked system.

Blog Topics


1 . UNIX tutorial for beginners
2 . SSH Security and Configuration Basic Overview
4 . SSH Security and Configuration
5 . Private and Public Key pair for SSH
6 . SSH Configuration and its Usage
7 . Configuration SSH with UNIX applications or scripts
8 . Creating a trusted host environment using SSH
9 . Using !$#@*% - pipeling
10. Data redirection using <, << and >>, >
11. stdin
12. Subshells
13. The test commands [ ] and [[ ]]shells
14. Operators in UNIX

UNIX Tutorial

1. Mastering UNIX Part 1 - Mastering the Command Line 
2. Mastering UNIX Part 2 - Think Smarter and Work Smarter 
3. Mastering UNIX Part 3 - Prefer Working with Command Line 
4. Mastering UNIX Part 4 - Dealing with Ownership and Permissions 

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