Mz

abbreviation
1.
Mozambique

standard, file format
The file signature of an MS-DOS executable (.EXE) file (0x4d 5a), always the first two bytes of the file. It was reportedly invented by, and named after, a Microsoft programmer, Mark Zbikowski.
In Unix systems, the string MZ is the magic number that identifies an MS-DOS EXE file.
(2003-06-10)

networking
The country code for Mozambique.
(1999-01-27)