NewDos/80
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| Developer | Apparat, Inc. |
|---|---|
| OS family | DOS |
| Working state | Historic |
| Source model | Closed source |
| Initial release | 1980s |
| Available in | English |
| Platforms | TRS-80 |
| Kernel type | Monolithic |
| Default user interface | Command-line interface |
| Official website | {{ |
NewDos/80 is a third-party operating system that was made available for the Radio Shack TRS-80 line of microcomputers beginning in 1980. NewDos/80 was developed by Apparat, Inc. of Denver, Colorado.
The operating system had additional commands and features that were not available in TRSDOS, the native operating system for TRS-80 computers. NewDos/80 allowed TRS-80 computers to take advantage of advances in floppy disk storage that went beyond the initial 87.5KB 35-track, single-density, single-sided format.[1] The system also corrected issues that early versions of TRSDOS had with arbitrarily losing data due to errors in how it communicated with the contemporary TRS-80 disk drives' 1771 disk controller.
NewDos/80 had many options for specifying specific low-level disk configurations. Settings such as diskette formats, disk drive types, track geometry and controllers could be configured using the PDRIVE command.[1] In version 2.1, Apparat added support for hard disk drives via an external bus adapter.
NewDos/80 was written by Cliff Ive and Jason Matthews. Cliff was the primary author and Jason wrote "patches" for various applications such as Scripsit and VisiCalc. Cliff later retired and Jason went on to other projects in the software business. Cliff was the primary author and visionary of NewDos in all of its incarnations.
Commands
Some typical NewDos/80 commands:
| Command | MS-DOS, OS/2, Windows | UNIX, Unix-like |
|---|---|---|
| APPEND | type file1 >> file2 | cat file >> file2 |
| ATTRIB | attrib | chmod |
| AUTO | AUTOEXEC.BAT | ~/.profile or ~/.login or /etc/rc* |
| CLOCK | prompt $t * | in some shells: PS1="...\t..." * |
| COPY | copy | cp |
| DIR | dir | ls |
| FORMAT | format | mkfs |
| FREE | chkdsk | df |
| KILL | del | rm |
| LIST | type | cat |
| LOAD program | program | program |
| type file > prn | lpr | |
| PROT | attrib | chmod |
| RENAME | ren or rename | mv |
Reception
While criticizing NEWDOS's "nearly incomprehensible documentation", Jerry Pournelle wrote in 1980 that it was "a much better operating system" than the "needlessly complex" TRSDOS and stated that "Tandy ought to be marketing NEWDOS+ themselves".[2]
See also
References
- ↑ 1.0 1.1 System 80 Archive Site - NewDos/80, version 2.0 and the JV1 Disk Image format, classic-computers.org.nz
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Mike's Virtual Computer Museum - NEWDOS/80 page
- Ira Goldklang's TRS-80 Revived Site - NEWDOS/80 Version 2 reference
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