ECHO(1)                  User Commands                  ECHO(1)



NAME
       echo - display a line of text

SYNOPSIS(synopsis,概要，大纲)
       echo [SHORT-OPTION]... [STRING]...
       echo LONG-OPTION

DESCRIPTION
       Echo the STRING(s) to standard output.

       -n     do not output the trailing(后面的) newline

       -e     enable interpretation(解释，说明) of backslash(反斜杠，slash:斜杠) escapes

       -E     disable   interpretation()   of  backslash  escapes
              (default)

       --help display this help and exit

       --version
              output version information and exit

       If -e is in effect, the following sequences(序列，escape sequences:转义序列)  are  recog‐
       nized(recognized,认可):

       \\     backslash

       \a     alert (BEL)

       \b     backspace

       \c     produce no further output

       \e     escape

       \f     form feed(换页)

       \n     new line

       \r     carriage return(回车符，回车键)

       \t     horizontal tab

       \v     vertical tab

       \0NNN  byte with octal(八进制) value NNN (1 to 3 digits)

       \xHH   byte with hexadecimal(十六进制) value HH (1 to 2 digits)

       NOTE: your shell may have its own version of echo, which
       usually supersedes(取代，接替) the version described  here.   Please
       refer  to  your  shell's documentation for details about
       the options it supports.

AUTHOR
       Written by Brian Fox and Chet Ramey.

REPORTING BUGS
       Report echo bugs to bug-coreutils@gnu.org
       GNU  coreutils  home   page:   <http://www.gnu.org/soft‐
       ware/coreutils/>
       General       help       using       GNU       software:
       <http://www.gnu.org/gethelp/>
       Report echo translation bugs to  <http://translationpro‐
       ject.org/team/>

COPYRIGHT
       Copyright © 2013 Free Software Foundation, Inc.  License
       GPLv3+:    GNU    GPL     version     3     or     later
       <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redis‐
       tribute it.  There is NO WARRANTY(warranty,保证，授权), to the extent permit‐
       ted by law.

SEE ALSO
       The  full documentation for echo is maintained as a Tex‐
       info manual.  If the info and echo programs are properly
       installed at your site, the command

              info coreutils 'echo invocation'

       should give you access to the complete manual.



GNU coreutils 8.21         March 2016                   ECHO(1)