Academic Operating System
Encyclopedia
Academic Operating System (AOS) was IBM
's version of 4.3BSD
Unix
for the IBM RT
. It was offered to academic institutions as an alternative to AIX, the usual RT operating system
.
AOS had a few extra features, compared to standard 4.3BSD, notably NFS, and an almost ANSI C
-compliant C
compiler
.
A later version of AOS existed that was derived from 4.3BSD-Reno, but it never was widely distributed.
IBM
International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...
's version of 4.3BSD
Berkeley Software Distribution
Berkeley Software Distribution is a Unix operating system derivative developed and distributed by the Computer Systems Research Group of the University of California, Berkeley, from 1977 to 1995...
Unix
Unix
Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna...
for the IBM RT
IBM RT
The IBM RT was a computer workstation sold by IBM and based around IBM's ROMP processor, a spin-off of the IBM 801 pioneered at IBM Research. The system was introduced in 1986 as the RT PC and ran AIX 1.x and 2.x, the Academic Operating System , or the Pick operating system...
. It was offered to academic institutions as an alternative to AIX, the usual RT operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...
.
AOS had a few extra features, compared to standard 4.3BSD, notably NFS, and an almost ANSI C
ANSI C
ANSI C refers to the family of successive standards published by the American National Standards Institute for the C programming language. Software developers writing in C are encouraged to conform to the standards, as doing so aids portability between compilers.-History and outlook:The first...
-compliant C
C (programming language)
C is a general-purpose computer programming language developed between 1969 and 1973 by Dennis Ritchie at the Bell Telephone Laboratories for use with the Unix operating system....
compiler
Compiler
A compiler is a computer program that transforms source code written in a programming language into another computer language...
.
A later version of AOS existed that was derived from 4.3BSD-Reno, but it never was widely distributed.