OS has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of OS in Governmental & Military.
The beginning grade for members of the deck department. The next step is able bodied seaman.
Governmental & MilitaryAlso known as an "OS," this is the software that communicates with computer hardware on the most basic level. Without an operating system, no software programs can run. The OS is what allocates memory, processes tasks, accesses disks and peripherials, and serves as the user interface.
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