Definitions for "Here document"
Keywords:  redirect, script, stdin, trick, telnet
a special form of redirection that routes text embedded in a script directly into a program's input
a Unix trick that allows a script to answer prompts from a command
a way of feeding a command script to an interactive program, such as ftp telnet , or ex
A here document (also called a here-document or a heredoc), is a way of specifying a string literal in shells such as Bash, Windows Power Shell and the Bourne Shell, as well as programming languages such as Perl, PHP, and Ruby. It preserves the line breaks and other whitespace (including indentation) in the text. Some languages allow variable interpolation or even code to be evaluated inside of the string.
Keywords:  block, code, special, purpose
a special-purpose code block
Keywords:  section, documents, called
the section called “Here documents