** Document Series **

** [Tcl Improvement Proposal] **

See [Tcl Improvement Proposal]

** Utility Program **

Long ago, when "[Unix]" often as not meant "[Solaris]" (except that
it was called "SunOS" then) or something now regarded as even more
recondite, [serial port] work generally involved the command-line utilities
tip(1) and cu(1)
([http://tautology.org/software/man/1/tip], or
[http://www.daemon-systems.org/man/tip.1.html], 
for example).  Questions sometimes still arise about these from new
readers of '''[Exploring Expect]''', because that venerable volume
was written at a time when tip(1) constituted a natural example for 
its lessons.  tip(1) and cu(1) functions now might be done by ckermit [http://www.columbia.edu/kermit/ckermit.html], minicom [http://alioth.debian.org/projects/minicom/],
...

[[Was tip(1) specifically a BSD creation?]]

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