echo writes its arguments on the standard output. Arguments must be separated by SPACE characters or TAB characters, and terminated by a NEWLINE.
echo is useful for producing diagnostics in shell programs and for writing constant data on pipes. If you are using the Bourne shell (sh(1)), you can send diagnostics to the standard error file by typing:
Note: If /usr/5bin is ahead of /usr/bin in the Bourne shell's search path, its built-in echo command mimics the System V version of echo as described here.
echo also understands C -like escape conventions; beware of conflicts with the shell's use of `\':
Created by unroff & hp-tools. © by Hans-Peter Bischof. All Rights Reserved (1997).
Last modified 21/April/97