- empty is an utility that provides an interface to execute and/or interact
- with processes under pseudo-terminal sessions (PTYs). This tool is
- definitely useful in programming of shell scripts designed to communicate
- with interactive programs like telnet, ssh, ftp, etc. In some cases, empty
- can be the simplest replacement for TCL/expect or other similar
+ empty is an utility that provides an interface to execute and/or interact
+ with processes under pseudo-terminal sessions (PTYs). This tool is
+ definitely useful in programming of shell scripts designed to communicate
+ with interactive programs like telnet, ssh, ftp, etc. In some cases, empty
+ can be the simplest replacement for TCL/expect or other similar