# ETen Chinese System

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**ETen Chinese System** (倚天中文系統) was the most popular [DOS](/source/DOS)-compatible traditional Chinese operating system before Chinese [Windows 95](/source/Windows_95).

DOS did not support [Chinese characters](/source/Chinese_characters), which are not in [Extended ASCII](/source/Extended_ASCII). Many companies in Taiwan developed their own [IBM PC compatible](/source/IBM_PC_compatible) traditional Chinese operating system running on DOS, which were mutually incompatible between the OS, such as Kuo Chiao (國喬) and [Acer](/source/Acer_Inc.).

The developer of the Eten OS, [E-TEN](/source/E-TEN), earned their early profits from sales of their hardware based plug-in card based Chinese system products. Their software (only) Chinese systems were widely copied by many [traditional Chinese](/source/Traditional_Chinese) users and [software pirates](/source/Software_pirate), but this was difficult for E-TEN to control. Most traditional Chinese products were compatible with the Eten OS at that time.

When [Microsoft](/source/Microsoft) developed the Chinese [Windows 3.1](/source/Windows_3.1) and Windows 95, traditional Chinese software developer and users shifted to Windows from DOS. The last version of the Eten OS was a Chinese Windows-compatible version. The Eten and other traditional Chinese OS are now used in a few DOS based [POS](/source/Point_of_sale) systems.

## References

## External links

- [E-TEN corporate website](http://www.etencorp.com/) [Archived](https://web.archive.org/web/20070313061432/http://www.etencorp.com/) 2007-03-13 at the [Wayback Machine](/source/Wayback_Machine)

- [E-TEN Chinese system website](http://www.eten.com.tw/Support/index.asp) [Archived](https://web.archive.org/web/20200224164732/http://www.eten.com.tw/Support/index.asp) 2020-02-24 at the [Wayback Machine](/source/Wayback_Machine)

v t e Disk operating systems (DOS) API Timeline Comparison Commands Games MS-DOS, IBM PC DOS, compatible systems MS-DOS Multitasking MS-DOS 4.0/4.1 MS-DOS 7 IBM PC DOS DOS/V DR-DOS H-DOS Novell DOS ROM-DOS SISNE plus PTS-DOS FreeDOS Other x86 4680 OS 4690 OS 86-DOS ADOS Concurrent CP/M-86 Concurrent DOS CP/M-86 CP/K Datapac System Manager DOS Plus K8918-OS FlexOS MP/M-86 Multiuser DOS NetWare PalmDOS Novell DOS OpenDOS PC-MOS/386 REAL/32 SB-86 SCP1700 Towns OS TurboDOS Other platforms AmigaDOS AMSDOS ANDOS Apple DOS Apple ProDOS Apple SOS Atari DOS Atari TOS BW-DOS Commodore DOS Concurrent DOS 68K Concurrent DOS V60 CP/M Cromemco DOS CSI-DOS DEC BATCH-11/DOS-11 DIP DOS DOS/360 DOS XL Edos EOS FLEX GEMDOS IDEDOS IMDOS iS-DOS ISIS MDOS MicroDOS MP/M MSX-DOS MyDOS NewDos/80 OS/M PTDOS RealDOS SB-80 SCP Sinclair QDOS RDOS SmartDOS SpartaDOS SpartaDOS X Technical Support SuperDOS Top-DOS TR-DOS TRSDOS TurboDOS UDOS Z-DOS Z80-RIO Category List

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Adapted from the Wikipedia article [ETen Chinese System](https://en.wikipedia.org/wiki/ETen_Chinese_System) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/ETen_Chinese_System?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.