If you freeze bacon, then thaw it out after it's expiration date, how long is it good for?
up vote 3 down vote. A .o object file file (also .obj on Windows) contains compiled object code (that is, machine code produced by your C or C++ compiler), together with the names of the functions and other objects the file contains. Object files are processed by the linker to produce the final executable.
What is IMG file format? The IMG file format is one of the following files: 1.A CD or DVD image file, essentially equivalent to an ISO file. On such a file, simply changing the extension from IMG to ISO can make it usable as the latter by most programs. 2.An archive format used for creating a disk image of floppy disks and HDDs.