Monthly Archives: December 2024

I Thought I Found a Bug…

Posted on December 25, 2024 by Michal Necasek

So I was working on improving a DOS emulator, when I found that something seemingly trivial wasn’t working right when COMMAND.COM was asked to do the following: echo AB> foo.txtecho CD>> foo.txt Instead of ABCD, foo.txt contained ABBC. I verified … Continue reading →

Posted in Bugs, C, Development, Watcom | 25 Comments

DOS APPEND

Posted on December 20, 2024 by Michal Necasek

For a long time, I couldn’t quite grasp what the DOS APPEND command could possibly be good for. Until I came across a situation which APPEND was made for. When I worked on organizing and building the DOS 2.11 source … Continue reading →

Posted in DOS, IBM | 44 Comments