V4/man/man1/echo.1

Compare this file to the similar file:
Show the results in this format: 

.th ECHO I 3/15/72
.sh NAME
echo \*- echo arguments 
.sh SYNOPSIS
.bd echo
[ arg ... ]
.sh DESCRIPTION
.it Echo
writes all its arguments in order as a line on the
standard output file.
It is mainly useful for producing diagnostics in command files.
.sh BUGS
.it Echo
with no arguments does not
print a blank line.