$ /usr/bin/i8kmon
can't find package Tk 8.4
    while executing
"package require Tk $tcl_version"
    (procedure "make_ui" line 16)
    invoked from within
"make_ui"
    (procedure "main" line 4)
    invoked from within
"main"
    invoked from within
"if {$tcl_interactive == 0} {
    main
    vwait forever
}"
    (file "/usr/bin/i8kmon" line 764)