Here documents in Linux

A here document is a special code block with multi-line strings that can be redirected to the command script or interactive program. In this article, we learn about here documents in Linux.

Table of contents.Introduction.Syntax.Substituting parameters and commands.Function arguments.Piping and redirection.Here documents with SSHSummary.References.Introduction.

A here document uses a form of I/O redirection to feed a command list to an interactive program or command such as cat, FTP, t...