config FREETZ_PACKAGE_EMPTY bool "Empty 0.6.15b" select FREETZ_LIB_libutil default n help 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 programming tools.