NAME

       echo - echo arguments

SYNOPSIS

       echo [options]...

DESCRIPTION

       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 3.2.6)

       -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 options)

       -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 only)

       -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'.

AUTHOR

       Richard M. Stallman

                                                                                       GNUecho(1)