What does M4 mean in File Extensions?

This page is about the meanings of the acronym/abbreviation/shorthand M4 in the Computing field in general and in the File Extensions terminology in particular.

M4 preprocessor file (unix)

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What does M4 mean?

m4 is a general-purpose macro processor designed by Brian Kernighan and Dennis Ritchie. m4 is an extension of an earlier macro processor m3, written by Ritchie for the AP-3 minicomputer.

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"M4." Abbreviations.com. STANDS4 LLC, 2014. Web. 18 Dec. 2014. <http://www.abbreviations.com/term/41603>.

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