AT&T UNIX System V Release 4

URI: https://gptkb.org/entity/AT&T_UNIX_System_V_Release_4
GPTKB entity
Statements (36)
Predicate Object
gptkbp:instanceOf gptkb:operating_system
gptkbp:collaboratesWith gptkb:Fujitsu
gptkb:Sun_Microsystems
SCO
UNISYS
gptkbp:developer gptkb:AT&T_Bell_Laboratories
gptkbp:family gptkb:UNIX
https://www.w3.org/2000/01/rdf-schema#label AT&T UNIX System V Release 4
gptkbp:influenced gptkb:AIX
gptkb:IRIX
gptkb:Solaris
gptkb:UnixWare
gptkb:HP-UX
gptkb:SCO_UNIX
Linux System V compatibility
gptkbp:kernelType monolithic
gptkbp:license proprietary
gptkbp:notableFeature introduced new file system (S5FS)
introduced shared memory, semaphores, and message queues
introduced STREAMS networking
introduced new init system
introduced new printing subsystem
introduced Internationalization support
introduced dynamic kernel modules
introduced support for ELF binaries
merged features from BSD, Xenix, SunOS, and System V
gptkbp:platform gptkb:Motorola_68000
gptkb:SPARC
gptkb:MIPS
x86
gptkbp:predecessor gptkb:UNIX_System_V_Release_3
gptkbp:releaseDate 1989
gptkbp:sourceModel closed source
gptkbp:successor gptkb:UNIX_System_V_Release_4.2
gptkbp:bfsParent gptkb:AT&T_UNIX_System_V
gptkbp:bfsLayer 8