arya> cd /usr/X11R7/bin                                                                                     ~
arya> ls                                                                                       /usr/X11R7/bin
Xmark*        fc-pattern*       mergelib*     uxterm*       xfindproxy*  xlsclients*     xstdcmap*
Xnest*        fc-query*         mkdirhier*    viewres*      xfontsel*    xlsfonts*       xterm*
Xvfb*         fc-scan*          mkfontdir*    x11perf*      xfs*         xmag*           xtrapchar*
appres*       fc-validate*      mkfontscale*  x11perfcomp*  xfsinfo*     xman*           xtrapin*
atobm*        fillblnk*         mkhtmlindex*  xauth*        xfwp*        xmessage*       xtrapinfo*
bdftopcf*     fonttosfnt*       oclock*       xbiff*        xgamma*      xmh*            xtrapout*
bdftruncate*  freetype-config*  perfboth*     xcalc*        xgc*         xmkmf*          xtrapproto*
beforelight*  fslsfonts*        perfratio*    xclipboard*   xhost*       xmlwf@          xtrapreset*
bitmap*       fstobdf*          proxymngr*    xclock*       xinit*       xmodmap*        xtrapstats*
bmtoa*        glxgears*         resize*       xcmsdb*       xinput*      xmore*          xvidtune*
ccmakedep*    glxinfo*          revpath*      xconsole*     xkbbell*     xprop*          xvinfo*
cleanlinks*   iceauth*          sessreg*      xcutsel*      xkbcomp*     xrandr*         xwd*
ctwm*         ico*              setxkbmap*    xditview*     xkbevd*      xrdb*           xwininfo*
cxpm*         imake*            showrgb*      xdm*          xkbprint*    xrefresh*       xwud*
dga*          listres*          smproxy*      xdpyinfo*     xkbvleds*    xset*
editres*      lndir*            ssh-askpass*  xdriinfo*     xkbwatch*    xsetmode*
fc-cache*     luit*             startx*       xedit*        xkill*       xsetpointer*
fc-cat*       makedepend*       sxpm*         xev*          xload*       xsetroot*
fc-list*      makeg*            twm*          xeyes*        xlogo*       xsetwallpaper*
fc-match*     makestrs*         ucs2any*      xfd*          xlsatoms*    xsm*