I'm using 4dos 6.00B
I remember 4dos had an installer. The one I'm using now no longer has any function restrictions.
I only kept a few 4dos files, but the features are very powerful, just check the help yourself. It's really incredibly rich.
4dos.com (can replace command.com)
4dos.hlp (help)
4help.exe (you can also just use Help directly)
4start.bat (my own 4dos startup settings)
Vide_cdd.sys
I don't know where I collected this CD-ROM driver from. It's very small: 5328 bytes, compressed, uses very little memory, much less than other small ones, and its compatibility with CD-ROM drives is very good. From the DOS era until now, whenever I make boot disks, I've always used this one.
tte.exe
This is also a tool for writing electronic documents. It's small and doesn't need registration or anything. Just use tte readme.txt and it can generate readme.exe . The generated document is easy to read, simple and easy to use, much more convenient than vtte and others that require setting lots of function characters. This is also one of the tools I've kept from the DOS era. Recommended.
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Very sorry, but it seems I can't upload it. If the admin wants it, contact me

Email: jfxwc@263.net , MSN:jfxwc@msn.com