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  • Nominal Semidestructor
    n. Sound-alike slang for `National Semiconductor', found among other places in the 4.3BSD networking sources. During the late 1970s to mid-1980s this company... VIEW ENTIRE DEFINITION


  •  View Definition: EXCH 

    EXCH


    /eks'ch*/ or /eksch/ vt. To exchange two things, each for the other; to swap places. If you point to two people sitting down and say "Exch!", you are asking them to trade places. EXCH, meaning EXCHange, was originally the name of a PDP-10 instruction that exchanged the contents of a register and a memory location. Many newer hackers tend to be thinking instead of the PostScript exchange operator (which is usually written in lowercase).