See also "tap" from v1, to "manipulate DECtape", described at http://www.bitsavers.org/pdf/bellLabs/unix/UNIX_ProgrammersManual_Nov71.pdf http://www.bitsavers.o

See also "tap" from v1, to "manipulate DECtape", described at http://www.bitsavers.org/pdf/bellLabs/unix/UNIX_ProgrammersManual_Nov71.pdf http://www.bitsavers.org/pdf/bellLabs/unix/UNIX_ProgrammersM... , p94 of the pdf: > tap [key] [name ...] > The function portion of the key is specified by one of the following letters ... For example, "x" to extract. > The following characters may be used in addition to the letter which selects the function desired For example, "v" for verbose.