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       echo - echo arguments


       echo [options]...


       Echo  writes  its  arguments  separated  by  blanks and terminated by a
       newline on the standard output.  Options to  filter  and  redirect  the
       output are as follows:

       -2     generate rhyming couplets from keywords

       -3     generate Haiku verse from keywords

       -5     generate limerick from keywords

       -a     convert ASCII to ASCII

       -A     disambiguate sentence structure

       -b     generate bureaucratese equivalent (see -x)

       -B     issue equivalent C code with bugs fixed

       -c     simplify/calculate arithmetic expression(s)

       -C     remove copyright notice(s)

       -d     define new echo switch map

       -D     delete all ownership information from system files

       -e     evaluate lisp expression(s)

       -E     convert ASCII to Navajo

       -f     read input from file

       -F     transliterate to french

       -g     generate pseudo-revolutionary marxist catch-phrases

       -G     prepend GNU manifesto

       -h     halt  system (reboot suppressed on Suns, Apollos, and VAXen, not
              supported on NOS-2)

       -i     emulate IBM OS/VU (recursive universes not supported)

       -I     emulate IBM VTOS 3.7.6 (chronosynclastic infundibulae  supported
              with  restrictions  documented  in IBM VTOS Reference Manual rev

       -J     generate junk mail

       -j     justify text (see -b option)

       -k     output "echo" software tools

       -K     delete privileged accounts

       -l     generate legalese equivalent

       -L     load echo modules

       -M     generate mail

       -N     send output to all reachable networks (usable with  -J,  -K,  -h

       -n     do not add newline to the output

       -o     generate obscene text

       -O     clean up dirty language

       -p     decrypt and print /etc/passwd

       -P     port echo to all reachable networks

       -P1    oolcay itay

       -q     query standard input for arguments

       -r     read alternate ".echo" file on start up

       -R     change root password to "RMS"

       -s     suspend  operating  system  during  output  (Sun and VAX BSD 4.2

       -S     translate to swahili

       -T     emulate TCP/IP handler

       -t     issue troff output

       -u     issue unix philosophy essay

       -v     generate reverberating echo

       -V     print debugging information

       -x     decrypt DES format messages (NSA secret algorithm  CX  3.8,  not
              distributed outside continental US)

       Echo  is  useful  for  producing  diagnostics in shell programs and for
       writing constant data on pipes.  To send diagnostics  to  the  standard
       error file, do `echo ... 1>&2'.


       Richard M. Stallman


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