| User Commands r-t Section | Home Page | System Calls Section |
| ul | ul - do underlining |
| umb-scheme | scheme - UMB Scheme ($Revision: 3.2 $) |
| uname | uname - print system information |
| unbuffer | unbuffer - unbuffer output |
| uncompface | compface, uncompface - compress and expand 48x48x1
face image files |
| uncompress | compress, uncompress, zcat - compress and expand data (version 4.1) |
| unexpand | unexpand - convert spaces to tabs |
| uniq | uniq - remove duplicate lines from a sorted file |
| units | units - conversion program |
| unshar | unshar - unpack a shar file |
| unsq | sq - squeeze a sorted word list unsq - unsqueeze a
sorted word list |
| unstr | strfile - create a random access file for storing
strings unstr - dump strings in pointer order |
| unzip | unzip - list, test and extract compressed files in a
ZIP archive |
| unzipsfx | unzipsfx - self-extracting stub for prepending to ZIP archives |
| updatedb | updatedb - update a file name database |
| uptime | uptime - Tell how long the system has been running. |
| userinfo | userinfo - A graphical equivilient to chfn. |
| usermount | usermount - A graphical tool to mount, unmount and
format filesystems. |
| usernet | usernet - graphical utility for manipulating network interfaces |
| usernetctl | usernetctl - allow a user to manipulate a network
inter- face if permitted |
| userpasswd | userpasswd - A graphical tool to allow users to
change their passwords. |
| users | users - print the user names of users currently
logged in to the current host |
| usleep | usleep - sleep some number of microseconds |
| uucp | uucp - Unix to Unix copy |
| uudecode | uuencode - encode a binary file |
| uuencode | uuencode - encode a binary file |
| uugetty | getty - sets terminal mode, speed, and line discipline |
| uustat | uustat - UUCP status inquiry and control |
| uux | uux - Remote command execution over UUCP |
| vdcomp | |
| vftovp | vftovp - convert virtual font (vf) files to virtual
prop- erty lists |
| vi | vim - Vi IMproved, a programmers text editor |
| viewres | viewres - graphical class browser for Xt |
| vim | vim - Vi IMproved, a programmers text editor |
| vines | vines - draws pseudo-fractal geometric patterns |
| virtex | virtex - virgin TeX for production typesetting |
| vlock | vlock - Virtual Console lock program |
| vmh | vmh - visual front-end to nmh |
| voctopvf | pvf tools - utilities to convert various sound formats |
| vptovf | vptovf - convert virtual property lists to virtual
font metrics |
| w | w - Show who is logged on and what they are doing. |
| wall | wall -- send a message to everybody's terminal. |
| watch | watch - watch a program with update intervals |
| wavtopvf | pvf tools - utilities to convert various sound formats |
| wc | wc - print the number of bytes, words, and lines in files |
| we | xwpe, xwe, wpe, we - XWindow Programming Environment |
| weave | weave - translate WEB to TeX |
| wget | wget - a utility to retrieve files from the World Wide Web |
| Wharf | Wharf - the AfterStep application "dock" module |
| whatis | whatis - search the whatis database for complete words. |
| whatnow | whatnow - prompting front-end for send |
| whereis | whereis - locate the binary, source, and manual page
files for a command |
| which | which - show full path of commands |
| who | who - show who is logged on |
| whoami | whoami - print effective userid |
| whom | whom - report to whom a message would go |
| WinList | WinList - the AfterStep window list module |
| wish | wish - Simple windowing shell |
| wmconfig | wmconfig - Window Manager Config helper program |
| wnewmail | newmail,wnewmail - programs to asynchronously notify
of new mail |
| wpe | xwpe, xwe, wpe, we - XWindow Programming Environment |
| write | write - send a message to another user |
| wrjpgcom | wrjpgcom - insert text comments into a JPEG file |
| x11perf | x11perf - X11 server performance test program |
| x11perfcomp | x11perfcomp - X11 server performance comparison program |
| x3270 | x3270 - IBM host access tool |
| x3270-script | Scripting Facilities for x3270 |
| xanim | xanim - multiformat animation/video/audio viewer for X |
| xapm | xapm - display Advanced Power Management (APM) BIOS
infor- mation |
| xargs | xargs - build and execute command lines from standard input |
| xauth | xauth - X authority file utility |
| xbiff | xbiff - mailbox flag for X |
| xbl | xbl - X Window block dropping game in 3 Dimension |
| xbmtopbm | xbmtopbm - convert an X11 or X10 bitmap into a
portable bitmap |
| xboing | xboing - An X Window System based blockout clone. V2.4 |
| xcalc | xcalc - scientific calculator for X |
| xclipboard | xclipboard - X clipboard client |
| xclock | xclock - analog / digital clock for X |
| xcmap | xcmap - displays the default colormap on X11 displays |
| xcmsdb | xcmsdb - Device Color Characterization utility for X
Color Management System |
| Xconfigurator | Xconfigurator - configure XFree86 server and display |
| xconsole | xconsole - monitor system console messages with X |
| xcpustate | xcpustate - display CPU states (idle, nice, system,
ker- nel) statistics |
| xcubes | xcubes - Cubes X widget |
| xcutsel | xcutsel - interchange between cut buffer and selection |
| xdaliclock | xdaliclock - melting digital clock |
| xdemineur | xdemineur - X11 minesweeper game |
| xdino | xdino - Dino X widgets |
| xditview | xditview - display ditroff output |
| xdm | xdm - X Display Manager with support for XDMCP, host chooser |
| xdos | dos, xdos, dosexec, dosdebug - run MS-DOS and MS-DOS
pro- grams under Linux |
| xdpyinfo | xdpyinfo - display information utility for X |
| xdvi | xdvi - DVI Previewer for the X Window System |
| xearth | xearth - displays a shaded image of the Earth in the
root window |
| xedit | xedit - simple text editor for X |
| xev | xev - print contents of X events |
| xeyes | xeyes - a follow the mouse X demo |
| xf86config | xf86config - generate an XF86Config file |
| XF86_SVGA | XF86_SVGA - SVGA X Window System servers for UNIX on
x86 platforms |
| xfd | xfd - display all the characters in an X font |
| xfig | xfig - Facility for Interactive Generation of figures under X11 |
| xfindproxy | xfindproxy - locate proxy services |
| xfm | xfm - X file and applications manager |
| xfmtype | xfmtype - xfm file type tester |
| xfontsel | xfontsel - point and click selection of X11 font names |
| XFree86 | XFree86 - X11R6 for UNIX on x86 platforms |
| xfs | xfs - X font server |
| xfwp | xfwp - X firewall proxy |
| xgc | xgc - X graphics demo |
| xgetfile | xgetfile - X based audio cd player for cdrom drives |
| xgopher | xgopher - gopher client for the X window system |
| xhexagons | xhexagons - Hexagons X widget |
| xhost | xhost - server access control program for X |
| xieperf | xieperf - XIE server extension test and demo program |
| ximtoppm | ximtoppm - convert an Xim file into a portable pixmap |
| xinit | xinit - X Window System initializer |
| xiterm | xiterm -- VT102 emulator for the X window system |
| xjack | xjack - all work and no play makes jack a dull boy |
| xjewel | xjewel - X windows droping jewels game |
| xkbcomp | xkbcomp - compile XKB keyboard description |
| xkbevd | xkbevd - XKB event daemon |
| xkbprint | xkbprint - print an XKB keyboard description |
| xkibitz | xkibitz - allow multiple people to interact in an xterm |
| xkill | xkill - kill a client by its X resource |
| xlander | xlander - A lunar landing simulation with a twist |
| xload | xload - system load average display for X |
| xloadimage | xloadimage, xsetbg, xview - load images into an X11
window or onto the root window |
| xlock | xlock - Locks the local X display until a password is entered. |
| xlogo | xlogo - X Window System logo |
| xlsatoms | xlsatoms - list interned atoms defined on server |
| xlsclients | xlsclients - list client applications running on a display |
| xlsfonts | xlsfonts - server font list displayer for X |
| xlyap | xlyap - display an array of Lyapunov exponents graphically |
| xmag | xmag - magnify parts of the screen |
| xmailbox | xmailbox - mailbox checker for X using XPM icons |
| xman | xman - Manual page display program for the X Window System |
| xmball | xmball - Masterball X widget |
| xmessage | xmessage - display a message or query in a window
(X-based /bin/echo) |
| xmh | xmh - send and read mail with an X interface to MH |
| xmixer | xmixer - X based volume and mixer control program |
| xmkmf | xmkmf - create a Makefile from an Imakefile |
| xmlink | xmlink - Missing Link X widget |
| xmodmap | xmodmap - utility for modifying keymaps and pointer
button mappings in X |
| xmorph | xmorph - digital image warping (morphing) for X
window system |
| Xnest | Xnest - a nested X server |
| xoct | xoct - Octahedron X widget |
| xon | xon - start an X program on a remote machine |
| xosview | xosview - X based system monitor |
| xp-replay | xp-replay - Playback an XPilot session. |
| xpaint | xpaint - Simple Paint program |
| xpanex | xpanex - Panex X widget |
| xpdf | xpdf - Portable Document Format (PDF) file viewer for
X (version 0.7a) |
| xpilot | xpilot - XPilot/UX Multiplayer gravity war game client |
| xpilots | xpilots - XPilot/UX Multiplayer gravity war game server |
| xplaycd | xplaycd - X based audio cd player for cdrom drives |
| xpmroot | xpmroot - Sets the root window of the current X
display to an Xpm pixmap |
| xpmtoppm | xpmtoppm - convert an X11 pixmap into a portable pixmap |
| xprop | xprop - property displayer for X |
| xpyraminx | xpyraminx - Pyramid X widget |
| xrdb | xrdb - X server resource database utility |
| xrefresh | xrefresh - refresh all or part of an X screen |
| xroger | xroger - throbbing X logo, of a sort |
| xrubik | xrubik - Magic cube X widgets |
| xrx | xrx - RX helper program |
| xscreensaver | xscreensaver - graphics hack and screen locker,
launched when the user is idle |
| xscreensaver-command | xscreensaver-command - control a running xscreensaver
pro- cess |
| Xserver | Xserver - X Window System display server |
| xset | xset - user preference utility for X |
| xsetmode | xsetmode - set the mode for an X Input device |
| xsetpointer | xsetpointer - set an X Input device as the main pointer |
| xsetroot | xsetroot - root window parameter setting utility for X |
| xskewb | xskewb - Skewb X widgets |
| xsm | xsm - X Session Manager |
| xsnow | xsnow - create a snowy and Santa-y desktop |
| xstdcmap | xstdcmap - X standard colormap utility |
| xterm | xterm - terminal emulator for X |
| xtermdos | dos, xdos, dosexec, dosdebug - run MS-DOS and MS-DOS
pro- grams under Linux |
| xtoolwait | xtoolwait - start X client and wait for it to map a window |
| xtp | xtp - file transfer program |
| xtriangles | xtriangles - Triangles X widget |
| xv | xv - interactive image display for the X Window System |
| Xvfb | Xvfb - virtual framebuffer X server for X Version 11 |
| xvidtune | xvidtune - video mode tuner for XFree86 |
| xvminitoppm | xvminitoppm - convert a XV "thumbnail" picture to PPM |
| xvpictoppm | xvpictoppm - converts XV 'thumbnail' files to
standard PPM format |
| xwd | xwd - dump an image of an X window |
| xwdtopnm | xwdtopnm - convert a X11 or X10 window dump file into
a portable anymap |
| xwe | xwpe, xwe, wpe, we - XWindow Programming Environment |
| xwininfo | xwininfo - window information utility for X |
| xwpe | xwpe, xwe, wpe, we - XWindow Programming Environment |
| xwpick | xwpick - pick images from an X11-screen and store in files |
| xwud | xwud - image displayer for X |
| xxd | xxd - make a hexdump or do the reverse. |
| xxgdb | xxgdb - X window system interface to the gdb debugger. |
| yacc | Yacc - an LALR(1) parser generator |
| ybmtopbm | ybmtopbm - convert a Bennet Yee "face" file
into a portable bitmap |
| yes | yes - output a string repeatedly until killed |
| ypcat | ypcat - print the values of all keys in a YP database |
| ypchfn | yppasswd, ypchfn, ypchsh - NIS password update clients |
| ypchsh | yppasswd, ypchfn, ypchsh - NIS password update clients |
| ypdomainname | hostname - show or set the system's host name domainname - show or set the system's NIS/YP domain name dnsdomainname - show the system's DNS domain name nisdomainname - show or set system's NIS/YP domain name ypdomainname - show or set the system's NIS/YP domain name |
| ypmatch | ypmatch - print the values of one or more keys in a YP database |
| yppasswd | yppasswd, ypchfn, ypchsh - NIS password update clients |
| ypwhich | ypwhich - return hostname of YP server of map master |
| ytalk | ytalk - A multi-user chat program. |
| yuvsplittoppm | yuvplittoppm - convert a Y- an U- and a V-file into a portable pixmap. |
| yuvtoppm | yuvtoppm - convert Abekas YUV bytes into a portable pixmap |
| zcat | gzip, gunzip, zcat - compress or expand files |
| zcmp | zcmp, zdiff - compare compressed files |
| zdiff | zcmp, zdiff - compare compressed files |
| zeisstopnm | zeisstopnm - convert a Zeiss confocal file into a
portable anymap |
| zforce | zforce - force a '.gz' extension on all gzip files |
| zgrep | zgrep - search possibly compressed files for a
regular expression |
| zgv | zgv - view GIF/JPEG/PPM/BMP/TGA/PCX/PNG/mrf files on VGA/SVGA displays |
| Zharf | Zharf - the AfterStep button panel module |
| zip | zip, zipcloak, zipnote, zipsplit - package and
compress (archive) files |
| zipgrep | zipgrep - search possibly zip files for a regular
expres- sion |
| zipinfo | zipinfo - list detailed information about a ZIP archive |
| zmore | zmore - file perusal filter for crt viewing of
compressed text |
| znew | znew - recompress .Z files to .gz files |
| zplay | zplay - modem utility to record and play voice files |
| zsh | zsh - the Z shell |
| zshall | zshall - the Z shell meta-man page |
| zshbuiltins | zshbuiltins - zsh built-in functions |
| zshcompctl | zshcompctl - zsh programmable completion |
| zshexpn | zshexpn - zsh command and parameter expansion |
| zshmisc | zshmisc - Everything and then some |
| zshoptions | zshoptions - zsh options |
| zshparam | zshparam - zsh parameters |
| zshzle | zshzle - zsh command line editor |
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