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The Unix system is composed of several components that were originally packaged together. By including the development environment, libraries, documents and the portable, modifiable source code for all of these components, in addition to the kernel of an operating system, Unix was a self-contained software system. This was one of the key ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 January 2025. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...
After the release of Version 10, the Unix research team at Bell Labs turned its focus to Plan 9 from Bell Labs, a distinct operating system that was first released to the public in 1993. All versions of BSD from its inception up to 4.3BSD-Reno are based on Research Unix, with versions starting with 4.4 BSD and Net/2 instead becoming Unix-like.
In Unix and operating systems inspired by it, the file system is considered a central component of the operating system. [1] It was also one of the first parts of the system to be designed and implemented by Ken Thompson in the first experimental version of Unix, dated 1969. [2]
The C Programming Language (sometimes termed K&R, after its authors' initials) is a computer programming book written by Brian Kernighan and Dennis Ritchie, the latter of whom originally designed and implemented the C programming language, as well as co-designed the Unix operating system with which development of the language was closely intertwined.
The Unix System (ISBN 0-201-13791-7, ISBN 978-0201137910) is a book by Stephen R. Bourne. Published in 1982, it was the first widely available general introduction to the Unix operating system . It included some historical material on Unix, as well as material on using the system, editing, the software tools concept, C programming using the ...
Version 7 Unix: /etc listing, showing init and rc Version 7 Unix: contents of an /etc/rc Bourne shell script. In Unix-based computer operating systems, init (short for initialization) is the first process started during booting of the operating system. Init is a daemon process that continues running until the system is shut down.
In computing, tput is a standard Unix operating system command which makes use of terminal capabilities. Depending on the system, tput uses the terminfo or termcap database, as well as looking into the environment for the terminal type.