Mainframe Rosetta

Rosetta Stone for mainframe time-sharing system commands.

	Monitor¹	ITS²	TENEX³	Unix⁴	VMS⁵	MS-DOS⁶
	k/f, kjob
file ::=	device:name.ext[ppn] name: max. 6 characters ext: file name extension; max. 3 characters ppn: project-programmer number of file owner	device:directory;name-1 name-2
Notes: ¹ Developed 1964-1988 by Digital Equipment Corporation (DEC) for PDP-6 and -10. PDP-10 version renamed "TOPS-10". ² Developed 1967-1990 by MIT Artificial Intelligence Laboratory for PDP-6 and -10. "Incompatible Timesharing System". ³ Developed 1969-1988 by Bolt, Beranek and Newman (BBN) and DEC for PDP-10. Renamed "TOPS-20" in 1976. ⁴ Developed 1968-present (user interface standardized in 1988 as POSIX) by AT&T Bell Labs and many others. ⁵ Developed 1975-present by DEC, Compaq, and Hewlett-Packard. Renamed "OpenVMS" in 1992. ⁶ Developed 1981-2000 by Microsoft. (Shown for reference. Not a time-sharing operating system.)

Monitor¹

ITS²

TENEX³

Unix⁴

VMS⁵

MS-DOS⁶

k/f, kjob

file ::=

device:name.ext[ppn]
name: max. 6 characters
ext: file name extension; max. 3 characters
ppn: project-programmer number of file owner

device:directory;name-1 name-2

Notes:

¹ Developed 1964-1988 by Digital Equipment Corporation (DEC) for PDP-6 and -10. PDP-10 version renamed "TOPS-10".

² Developed 1967-1990 by MIT Artificial Intelligence Laboratory for PDP-6 and -10. "Incompatible Timesharing System".

³ Developed 1969-1988 by Bolt, Beranek and Newman (BBN) and DEC for PDP-10. Renamed "TOPS-20" in 1976.

⁴ Developed 1968-present (user interface standardized in 1988 as POSIX) by AT&T Bell Labs and many others.

⁵ Developed 1975-present by DEC, Compaq, and Hewlett-Packard. Renamed "OpenVMS" in 1992.

⁶ Developed 1981-2000 by Microsoft. (Shown for reference. Not a time-sharing operating system.)

References