rmtest - test removing open files
rmtest deletes a file while it's open and then attempts to do further I/O to it, and tries to check that the right things happen.
rmtest uses the following system calls:
rmtest also spawns a copy of /bin/rm, which uses these system calls:
rmtest should run correctly once the file system assignment is complete.
There's no particular reason it should use /bin/rm instead of calling remove itself. But I guess it makes life more exciting.