What does CLI mean?
Command Line Interface
Other definitions of CLI:
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How to use the term CLI:
There are no example uses of CLI at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:

NYI
Not Yet Implemented

INTPFTPOTM
I nominate this post for the post of the month

DFWMT
Don't f**king waste my time

IDJIT
idiot