| Developer | Motorola Microsystems Division | 
|---|---|
| Working state | Discontinued | 
| Initial release | 1980s | 
| Available in | English | 
| Platforms | Motorola 68000 | 
| Default user interface  | Command-line interface | 
| License | Proprietary | 
VERSAdos is an operating system dating back to the early 1980s for use on the Motorola 68000[1] development system called the EXORmacs which featured the VERSAbus and an array of option cards. They were typically connected to CDC Phoenix disk drives running one to four 14-inch platters. The EXORmacs was used to emulate a 680xx processor in-circuit, speeding development of 680xx based systems. It also hosted several compilers and assemblers.
VERSAdos and the EXORmacs were produced by Motorola's Microsystems Division.
Overview
VERSAdos was a real-time, multi-user operating system. It was the follow on product to the single user MDOS that ran the 6800 development system called the EXORciser.
Both systems features a harness with a CPU socket compatible connector.
A Modula 2 compiler was ported to VERSAdos.[2]
Commands
The following list of commands and utilities are supported by VERSAdos.[3]
- ^
 - ACCT
 - ARGUMENTS
 - ASSIGN
 - BACKUP
 - BATCH
 - BSTOP
 - BTERM
 - BUILDS
 - BYE
 - CANCEL
 - CHAIN
 - CLOSE
 - CONFIG
 - CONNECT
 - CONTINUE
 - COPY
 - CREF
 - DATE
 - DEFAULTS
 - DEL
 - DIR
 - DMT
 - DUMP
 - DUMPANAL
 - ELIMINATE
 - EMFGEN
 - END
 - FREE
 - HELP
 - INIT
 - LIB
 - LIST
 - LOAD
 - LOGOFF
 - MBLM
 - MERGEOS
 - MIGR
 - MT
 - NEWS
 - NOARGUMENTS
 - NOVALID
 - OFF
 - OPTION
 - PASS
 - PASSWORD
 - PATCH
 - PROCEED
 - PRTDUMP
 - QUERY
 - R?
 - RENAME
 - REPAIR
 - RETRY
 - SCRATCH
 - SECURE
 - SESSIONS
 - SNAPSHOT
 - SPL
 - SPOOL
 - SRCCOM
 - START
 - STOP
 - SWORD
 - SYSANAL
 - TERMINATE
 - TIME
 - TRANSFER
 - UPLOADS
 - USE
 - VALID
 
See also
References
- ↑  Wing Ng, Kam; Tong, Chi Hung; Lee, Hung (November 1984). "A Unix-to-Versados link". Interfaces in Computing. 2 (4): 299–308. doi:10.1016/0252-7308(84)90051-5. ISSN 0252-7308. 
Versados is a multitasking operating system for the Motorola 68000 microprocessor.
 - ↑ Ballarin, E.; Burkhart, H.; Eigenmann, R.; Kindlimann, H.; Moser, M. (May 1988). "Making a compiler easily portable". IEEE Software. 5 (3): 30–38. doi:10.1109/52.2022. ISSN 0740-7459. S2CID 13883709.
 - ↑ M68000 Family VERSAdos System Facilities Reference Manual