In 1990, Linus Torvalds, a graduate student from University of Helsinki, designed a UNIX Kernel on 386 intel machine and gave this to Open Source Foundation (OSF).
Before Linux :
MULTICS --------------> Started in 1965 by AT&T, GE and MIT
UNICS ---------------> Created by Ken Thompson & Dennis Richie in 1969
UNIX ---------------> Written in 100% C-Language and released in 1973
Flavors of UNIX :
Vendor (or) Company Name | Operating System |
AT & T Bell Labs (American Telephone & Telegraph) | SYS III – SYS V |
Sun (Standard University Network) | SOLARIS |
IBM | AIX |
SG (Silicon Graphics) | IRIX |
SCO (Stanza Cruz Operation) | SCO – UNIX |
BSD (Barkeley Software Distributions | Free - BSD |
HP | HPUX |