Operating Systems Concepts - Engineering

Q1:

In MS-DOS, relocatable object files and load modules have extensions

A .OBJ and .COM or .EXE, respectively

B .COM and .OBJ, respectively

C .EXE and .OBJ, respectively

D .DAS and .EXE, respectively

E None of the above

ANS:A - .OBJ and .COM or .EXE, respectively

Give the description.