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troff    
/T'rof/ or /trof/ The grey eminence of {Unix}
text processing; a formatting and phototypesetting program,
written originally in {PDP-11} {assembly code} and then in
barely-structured early {C} by the late Joseph Ossanna,
modelled after the earlier {ROFF} which was in turn modelled
after {Multics}' {RUNOFF} by Jerome Saltzer (*that* name came
from the expression "to run off a copy"). A companion
program, {nroff}, formats output for terminals and line
printers.

In 1979, Brian Kernighan modified troff so that it could drive
phototypesetters other than the Graphic Systems CAT. His
paper describing that work ("A Typesetter-independent troff",
AT&T CSTR #97) explains troff's durability. After discussing
the program's "obvious deficiencies - a rebarbative input
syntax, mysterious and undocumented properties in some areas,
and a voracious appetite for computer resources" and noting
the ugliness and extreme hairiness of the code and internals,
Kernighan concludes:

None of these remarks should be taken as denigrating
Ossanna's accomplishment with TROFF. It has proven a
remarkably robust tool, taking unbelievable abuse from a
variety of preprocessors and being forced into uses that
were never conceived of in the original design, all with
considerable grace under fire.

The success of {TeX} and desktop publishing systems have
reduced troff's relative importance, but this tribute
perfectly captures the strengths that secured troff a place in
hacker folklore; indeed, it could be taken more generally as
an indication of those qualities of good programs that, in the
long run, hackers most admire.

{groff} is {GNU}'s implementation of {roff} in {C}.

[{Jargon File}]

(1995-03-21)

Typesetter New Run-OFF (Unix)

troff: /T´rof/, /trof/, n. [Unix] The gray eminence of Unix text processing; a formatting and
phototypesetting program, written originally in PDP-11 assembler and then
in barely-structured early C by the late Joseph Ossanna, modeled after the
earlier ROFF which was in turn modeled after the
Multics and CTSS program
RUNOFF by Jerome Saltzer (that name came from the
expressionto run off a copy”). A companion program,
nroff, formats output for terminals and line
printers.In 1979, Brian Kernighan modified troff so that it could drive
phototypesetters other than the Graphic Systems CAT. His paper describing
that work (“A Typesetter-independent troff,” AT&T CSTR
#97) explains troff's durability. After discussing the program's
obvious deficienciesa rebarbative input syntax, mysterious
and undocumented properties in some areas, and a voracious appetite for
computer resourcesand noting the ugliness and extreme hairiness of
the code and internals, Kernighan concludes:The success of TeX and desktop publishing
systems have reduced troff's relative
importance, but this tribute perfectly captures the strengths that secured
troff a place in hacker folklore; indeed,
it could be taken more generally as an indication of those qualities of
good programs that, in the long run, hackers most admire.


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英文字典中文字典相关资料:


  • troff - Wikipedia
    troff ( ˈtiːrɒf ), short for "typesetter roff", is the major component of a document processing system developed by Bell Labs for the Unix operating system troff and the related nroff were both developed from the original roff
  • troff. org — the Text Processor for Typesetters
    Publications that use troff Source code troff community Who's who in the world of troff Links to other troff-related sites Frequently asked questions Acknowledgements and miscellaneous This web site is very much a work in progress so please excuse the rough edges If you've any suggestions for improving the content I'd be delighted to hear from
  • The GNU troff Manual
    The GNU troff Manual groff(GNU roff) is a typesetting system that reads plain text input that includes formatting commands to produce output in PostScript, PDF, HTML, or other formats, or for display to a terminal Formatting commands can be low-level typesetting primitives, macros from a supplied package, or user-defined macros All three approaches can be combined A reimplementation and
  • groff (software) - Wikipedia
    groff ( ˈdʒiːrɒf JEE-roff) [5] (also called GNU troff) is a typesetting system that creates formatted output when given plain text mixed with formatting commands [6] It is the GNU replacement for the troff and nroff text formatters, which were both developed from the original roff Groff contains a large number of helper programs, preprocessors, and postprocessors including eqn, tbl
  • Linux Troff Command - Computer Hope
    Linux troff command for document formatting and typesetting on Unix-like systems with detailed examples, options, syntax, and related command line commands
  • Troff User’s Manual†
    Troff and nroff are text processors that format text for typesetter- and typewriter-like terminals, respectively They accept lines of text interspersed with lines of format control information and format the text into a printable, paginated document having a user-designed style
  • Fort Troff - amazon. com
    Explore an array of fun and unique products from Fort Troff, available for purchase online
  • troff: Master the Linux Command Line Better 2026
    Master the troff command line in Linux Learn to create manipulate text files with precision using this comprehensive guide Discover how!
  • Basics (The GNU troff Manual)
    GNU troff reads input prepared by the user and outputs a formatted document suitable for publication or framing The input consists of text, or words to be printed, and embedded commands (requests and escape sequences), which tell GNU troff how to format the output See Formatter Instructions





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