[           dirname     head        mkfifo      sort        tr          wget
[[          du          hexdump     nc          ssh         traceroute  which
arping      env         id          nohup       strings     tty         whoami
awk         expr        install     nslookup    tail        uniq        xargs
basename    find        killall     perl        tee         unzip       yes
clear       free        less        printf      telnet      uptime
cmp         ftpget      logger      reset       test        uudecode
cut         ftpput      md5sum      rx          time        uuencode
dc          fuser       mesg        scp         top         wc