On Tue, 19 Jan 2021 13:26:19 +0100 Tomas By <tomas@xxxxxxxxx> wrote: > Hi all, > > I'm trying to run a DOS program under Linux, and have tried these: It would be useful to have the exact error messages, and *which* program is failing... However, I've found this reference which might be of help: https://www.techrepublic.com/forums/discussions/dos-programs-that-require-shareexe/ (particularly the reference that, in some cases, just the presence of share.exe is necessary - it's not really used) Did you try to run your program under Wine? John