$ ls /bin

[               diff            kill            pg              talk
addr            diff3           ksh             ping            tar
alias           dig             last            posixpath2nt    tcsh
ar              dircmp          less            pr              tee
at              dirname         lessecho        printf          telnet
atq             dnsquery        lesskey         ps              test
atrm            du              lex             pstat           tftp
awk             echo            line            psxoffset       tic
banner          ed              ln              pwd             time
basename        egrep           locale          ranlib          tip
batch           env             localedef       rcp             toe
bc              ex              logger          rdist           touch
bg              expand          login           rdistd          tput
bp              expr            loginenv        read            tr
c89             false           logname         regpwd          true
cal             fc              lp              renice          truss
calendar        fg              ls              reset           tset
captoinfo       fgrep           m4              rlogin          tsort
cat             file            mail            rm              tty
cat32           fileinfo        mailx           rmdir           tzselect
cat32.exe       fileinfo.exe    make            rpcgen          umask
cc              find            man             rpcinfo         unalias
cd              finger          mkdir           rsh             uname
chgpath         flip            mkfifo          rstartd         unexpand
chgrp           fmt             more            runwin32        unifdef
chmod           fold            mpack           script          uniq
chown           ftp             mt              sdiff           unixpath2win
chsh            gencat          munpack         sed             unvis
cksum           getconf         mv              service         uudecode
clear           getopt          mvwtmpx         sh              uuencode
cmp             getopts         newgrp          showmount       vi
col             grep            nice            size            view
column          head            nl              sleep           vis
comm            hexdump         nm              sort            wait
command         host            nohup           spell           wc
cp              hostname        nslookup        split           who
cpio            iconv           nsupdate        ssimda          whoami
crontab         id              ntpath2posix    strerror        winpath2unix
csh             infocmp         nvi             strings         wvisible
csplit          infotocap       od              strip           xargs
ctags           install         passwd          strsignal       yacc
cut             ipcrm           paste           stty            yearistype
date            ipcs            patch           su
dc              ispell          pathchk         sum
dd              jobs            pax             syslogd
df              join            pdomain         tailx




$ ls /opt/gcc.3.3/bin/

addr2line                       i586-pc-interix3-gcc
ar                              i586-pc-interix3-gcc-3.3
as                              i586-pc-interix3-gcj
asa                             insight
c++                             ld
c++filt                         liblock
cpp                             nm
g++                             objcopy
g77                             objdump
gcc                             protoize
gccbug                          size
gcov                            strings
gdb                             strip
i586-pc-interix3-c++            unprotoize
i586-pc-interix3-g++



$ ls /usr/local/bin 

a2p             h2xs            perldoc         pod2text        s2p
c2ph            perl            pl2pm           pod2usage       splain
dprofpp         perl5.6.1       pod2html        podchecker
find2perl       perlbug         pod2latex       podselect
h2ph            perlcc          pod2man         pstruct


$ ls /usr/contrib/

a2p             gencat          pcat            pstruct         unpack
bin             gunzip          perl            rcs             unzip
c2ph            gzip            perlbug         rcsdiff         win32
ci              h2ph            perldoc         rcsmerge        zcat
co              h2xs            pod2html        rlog            zip
cpp             ident           pod2latex       rpcgen
find2perl       merge           pod2man         s2p
gawk            pack            pod2text        uncompress



$ ls /usr/contrib/bin

ci              gawk            pack            rlog            zip
co              gunzip          pcat            uncompress
compress        gzip            rcs             unpack
elvis           ident           rcsdiff         unzip
elvrec          merge           rcsmerge        zcat



$ ls /usr/contrib/win32/bin/

append          drwatson        mspaint         recover         wfind
arp             drwtsn32        musrmgr         regedt32        wfinger
assoc           edit            nbtstat         ren             wftp
attrib          edlin           net             rename          whostname
backup          erase           netstat         replace         winchat
cacls           eventvwr        nlsfunc         restore         windisk
calc            exe2bin         notepad         route           winfile
cdplayer        fastopen        ntbackup        savedump        winhlp32
charmap         findstr         packager        setver          winmsd
chcp            fontview        path            sndrec32        winspool
chkdsk          forcedos        pause           sndvol32        winver
chkntfs         format          pbrush          start           wmkdir
clipbrd         ftype           pentnt          subst           wmore
clock           graftabl        perfmon         sysedit         wnslookup
cmd             grpconv         portuas         syskey          wping
comp            help            posix           taskman         wprint
compact         inetins         progman         taskmgr         wrcp
control         internat        prompt          tracert         wrmdir
convert         ipconfig        psxrun          tree            wrsh
copy            keyb            qbasic          unlodctr        wset
dcomcnfg        label           rasadmin        ver             wsort
ddeshare        loadfix         rasautou        verify          wtelnet
del             lodctr          rasdial         vol             wtftp
dir             md              rasman          wat             wtime
diskcomp        mem             rasmon          wdate           wtype
diskcopy        mode            rasphone        wecho           wwrite
diskperf        move            rassprxy        wexit           xcopy
doskey          mplay32         rd              wexpand
dosx            mscdexnt        rdisk           wfc




$ ls /usr/X11R5/bin

appres          mkfontdir       xcmsdb          xkill           xrefresh
atobm           oclock          xcmstest        xlogo           xset
bdftopcf        puzzle          xconsole        xlsatoms        xsetroot
bitmap          resize          xcutsel         xlsclients      xstdcmap
bmtoa           showfont        xditview        xlsfonts        xterm
editres         twm             xdpyinfo        xmag            xwd
ico             viewres         xedit           xman            xwininfo
imake           x11perf         xev             xmkmf           xwud
listres         xbiff           xeyes           xmodmap
makedepend      xcalc           xfd             xon
maze            xclipboard      xfontsel        xprop
mkdirhier       xclock          xgc             xrdb



$ ls /usr/X11R6/bin

Xmark           makeg           xclipboard      xkbcomp         xrdb
appres          mergelib        xclock          xkbevd          xrefresh
atobm           mkdirhier       xcmsdb          xkbprint        xset
bdftopcf        mkfontdir       xconsole        xkbvleds        xsetroot
bitmap          oclock          xcutsel         xkbwatch        xsm
bmtoa           proxymngr       xdm             xkill           xstdcmap
editres         resize          xdpyinfo        xlogo           xterm
fsinfo          rstart          xfd             xlsatoms        xuctblgen
fslsfonts       sessreg         xfindproxy      xlsclients      xwd
fstobdf         smproxy         xfs             xlsfonts        xwininfo
iceauth         startx          xfwp            xmag            xwud
imake           twm             xhost           xmkmf
lbxproxy        x11perf         xieperf         xmodmap
lndir           x11perfcomp     xinit           xon
makedepend      xauth           xkbbell         xprop