usage: xlock [-options ...] where options include: -help print out this message to standard output -version print version number (if >= 4.00) to standard output -resources print default resource file to standard output -display displayname X server to contact -visual visualname X visual to use -parent parent window id (for inwindow) -name resourcename class name to use for resources (default is XLock) -delay usecs microsecond delay between screen updates -batchcount num number of things per batch (deprecated) -count num number of things per batch -cycles num number of cycles per batch -size num size of a unit in a mode, default is 0 -ncolors num maximum number of colors, default is 64 -saturation value saturation of color ramp -bitmap filename bitmap file (sometimes xpm and ras too) -erasemode erase-modename Erase mode to use -erasedelay num Erase delay for clear screen modes -erasetime num Maximum time (sec) to be used by erase -/+nolock turn on/off no password required -/+inwindow turn on/off making xlock run in a window -/+inroot turn on/off making xlock run in the root window -/+remote turn on/off remote host access -/+mono turn on/off monochrome override -/+allowaccess turn on/off allow new clients to connect -/+allowroot turn on/off allow root password to unlock (off ignored) -/+debug whether to use debug xlock (yes/no) -/+description whether to show mode description (yes/no) -/+echokeys turn on/off echo '?' for each password key -echokey char text character to use for echo key, default is '?' -/+enablesaver turn on/off enable X server screen saver -/+resetsaver turn on/off resetting of X server screen saver -/+grabmouse turn on/off grabbing of mouse and keyboard -/+grabserver turn on/off grabbing of server -/+install whether to use private colormap if needed (yes/no) -/+hide turn on/off user background manipulation -/+mousemotion turn on/off sensitivity to mouse -/+sound whether to use sound if configured for it (yes/no) -/+timeelapsed turn on/off clock -/+usefirst turn on/off using the first char typed in password -/+verbose turn on/off verbosity -nice level nice level for xlock process -lockdelay seconds number of seconds until lock -unlockdelay seconds number of seconds until unlock -timeout seconds number of seconds before password times out -font fontname font to use for password prompt -planfont fontname font to use for plan message -bg color background color to use for password prompt -fg color foreground color to use for password prompt -background color background color to use for password prompt -foreground color foreground color to use for password prompt -username string text string to use for Name prompt -password string text string to use for Password prompt -info string text string to use for instructions -validate string text string to use for validating password message -invalid string text string to use for invalid password message -invalidCapsLock string text string to use for invalid password message with Caps Lock on -geometry geom geometry for non-full screen lock -icongeometry geom geometry for password window (location ignored) -/+wireframe turn on/off wireframe -/+use3d turn on/off 3d view -delta3d value space between the center of your 2 eyes for 3d mode -none3d color color to be used for null in 3d mode -right3d color color to be used for the right eye in 3d mode -left3d color color to be used for the left eye in 3d mode -both3d color color to be used overlap in 3d mode -program programname program to get messages from, usually fortune -messagesfile formatted-filename formatted file of fortunes -messagefile filename text file for mode -message string text for mode -messagefont fontname font for a specific mode -startCmd string command to run at locktime -endCmd string command to run when unlocking -pipepassCmd string command into which to pipe the password when unlocking -logoutCmd string command to run when automatically logging out -mailCmd string command to run to check for mail -mailIcon string Icon to display when there is mail -nomailIcon string Icon to display when there is no mail -dpmsstandby seconds seconds to wait before engaging DPMS standby -dpmssuspend seconds seconds to wait before engaging DPMS suspend -dpmsoff seconds seconds to wait before engaging DPMS off -mode mode animation mode where mode is one of: anemone Shows wiggling tentacles -arms num Number of arms -width num Width of arms -finpoints num final number of points in each array -withdraw num withdraw frequency -turnspeed num turning speed ant Shows Langton's and Turk's generalized ants -/+label turn on/off rule labeling -neighbors num squares 4 or 8, hexagons 6, triangles 3 or 12 -rule string binary string for Turk's Ant -/+truchet turn on/off Truchet lines -/+eyes turn on/off eyes -/+sharpturn turn on/off sharp turns (6, 8 or 12 neighbors only) ant3d Shows 3D ants -/+label turn on/off rule labeling -rule string base 4 string for Turk's Ant -/+eyes turn on/off eyes apollonian Shows Apollonian circles -/+altgeom turn on/off alternate geometries (off euclidean space, on includes spherical and hyperbolic) -/+label turn on/off alternate space and number labeling ball Shows bouncing balls bat Shows bouncing flying bats blot Shows Rorschach's ink blot test bouboule Shows Mimi's bouboule of moving stars bounce Shows bouncing footballs braid Shows random braids and knots bubble Shows popping bubbles -/+boil turn on/off boil bug Shows Palmiter's bug evolution and garden of Eden -neighbors num squares 4 or 8, hexagons 6 -/+eyes turn on/off eyes clock Shows Packard's clock coral Shows a coral reef crystal Shows polygons in 2D plane groups -nx num Number of unit cells in x-direction -ny num Number of unit cells in y-direction -/+centre turn on/off centering on screen -/+maxsize turn on/off use of maximum part of screen -/+cell turn on/off drawing of unit cell -/+grid turn on/off drawing of grid of unit cells (if -cell is on) -/+cycle turn on/off colour cycling daisy Shows a meadow of daisies -/+garden turn on/off garden dclock Shows a floating digital clock or message -/+binary turn on/off binary clock display -/+led turn on/off Light Emitting Diode seven segment display -/+popex turn on/off population explosion counter -/+forest turn on/off tropical forest destruction counter -/+hiv turn on/off HIV infection counter -/+lab turn on/off Animal Research counter -/+veg turn on/off Animal Consumation counter -/+time24 turn on/off 24 hour display -/+y2k turn on/off Year 2000 countdown -/+millennium turn on/off 3rd Millennium (1 January 2001) countdown decay Shows a decaying screen deco Shows art as ugly as sin deluxe Shows pulsing sequence of stars, circles, and lines -thickness num Figure thickness -speed num Animation speed -planes num Number of planes -/+transparent turn on/off transparancy -/+mono turn on/off monochromatic mode -/+db turn on/off double buffering demon Shows Griffeath's cellular automata -neighbors num squares 4 or 8, hexagons 6, triangles 3, 9 or 12 dilemma Shows Lloyd's Prisoner's Dilemma simulation -neighbors num squares 4 or 8, hexagons 6, triangles 3, 9 or 12 -bonus value bonus for cheating... between 1.0 and 4.0 -/+conscious turn on/off self-awareness discrete Shows various discrete maps dragon Shows Deventer's Hexagonal Dragons Maze drift Shows cosmic drifting flame fractals -/+grow turn on/off growing fractals, else they are animated -/+liss turn on/off using lissojous figures to get points euler2d Shows a simulation of 2D incompressible inviscid fluid -eulertail len Length of Euler2d tails -eulerpower power power of interaction law for points for Euler2d eyes Shows eyes following a bouncing grelb -/+trackmouse turn on/off the tracking of the mouse fadeplot Shows a fading plot of sine squared fiberlamp Shows a Fiber Optic Lamp flag Shows a waving flag image -/+invert turn on/off inverting of flag flame Shows cosmic flame fractals flow Shows dynamic strange attractors -/+rotate turn on/off rotating around attractor. -/+ride turn on/off ride in the flow. -/+box turn on/off bounding box. -/+periodic turn on/off periodic attractors. -/+search turn on/off search for new attractors. -/+dbuf turn on/off double buffering. forest Shows binary trees of a fractal forest fzort Draws a metallic-looking fzort. galaxy Shows crashing spiral galaxies -/+fisheye turn on/off fish eye view -/+tracks turn on/off star tracks goop Shows goop from a lava lamp grav Shows orbiting planets -/+decay turn on/off decaying orbits -/+trail turn on/off trail dots helix Shows string art -/+ellipse turn on/off ellipse format hop Shows real plane iterated fractals -/+martin turn on/off sqrt format -/+popcorn turn on/off Clifford A. Pickover's popcorn format -/+ejk1 turn on/off ejk1 format -/+ejk2 turn on/off ejk2 format -/+ejk3 turn on/off ejk3 format -/+ejk4 turn on/off ejk4 format -/+ejk5 turn on/off ejk5 format -/+ejk6 turn on/off ejk6 format -/+rr turn on/off rr format -/+jong turn on/off jong format -/+sine turn on/off sine format hyper Shows spinning n-dimensional hypercubes -/+randomstart turn on/off begining with random rotations -/+showaxes turn on/off showing the axes -/+showplanes turn on/off showing the planes -spindelay num delay in seconds before chaning spin speed ico Shows a bouncing polyhedron -/+faces turn on/off drawing of faces -/+edges turn on/off drawing of wireframe -/+opaque turn on/off drawing of bottom (unless faces true) ifs Shows a modified iterated function system image Shows randomly appearing logos juggle Shows a Juggler, juggling -pattern string Cambridge Juggling Pattern -tail num Trace Juggling Patterns -/+real Real-time -/+describe turn on/off pattern descriptions. -/+balls turn on/off Balls. -/+clubs turn on/off Clubs. -/+torches turn on/off Flaming Torches. -/+knives turn on/off Knives. -/+rings turn on/off Rings. -/+bballs turn on/off Bowling Balls. -only Turn off all objects but the named one. julia Shows the Julia set -/+trackmouse turn on/off the tracking of the mouse kaleid Shows a kaleidoscope -/+disconnected turn on/off disconnected pen movement -/+serial turn on/off sequential color selection -/+alternate turn on/off alternate display mode -/+spiral turn on/off angular bounding mode -/+spots turn on/off circle mode -/+quad turn on/off quad mirrored display mode -/+oct turn on/off oct mirrored display mode -/+linear select Cartesian/Polar coordinate display mode kumppa Shows kumppa -speed num Speed -/+rrandom turn on/off random laser Shows spinning lasers life Shows Conway's game of Life -/+label turn on/off name labeling -neighbors num squares 4 or 8, hexagons 6, triangles 3, 9 or 12 -rule string S/B parameters -lifefile file life file -/+serial turn on/off picking of sequential patterns -/+conway turn on/off Conway's original Life rule B3/S23 -/+highlife turn on/off Bell's HighLife rule B36/S23 -/+daynight turn on/off Thompson's Day and Night rule B3678/S34678 -/+callahan turn on/off Callahan's hex rule B2a/S2b34 -/+andreen turn on/off Andreen's hex rule B2a3a4b/S2a2b4a -/+trilife turn on/off Bay's tri rule B45/S34 -/+trilife1 turn on/off Bay's tri rule B456/S45 -/+trilife2 turn on/off Bay's tri rule B45/S23 life1d Shows Wolfram's game of 1D Life -/+totalistic turn on/off totalistic rules (else LCAU rules) life3d Shows Bays' game of 3D Life -/+label turn on/off name labeling -rule string S/B parameters -lifefile file life file -/+serial turn on/off picking of sequential patterns lightning Shows Keith's fractal lightning bolts lisa Shows animated lisajous loops -/+additive turn on/off additive functions mode lissie Shows lissajous worms loop Shows Langton's self-producing loops -neighbors num squares 4 or hexagons 6 -/+langton turn on/off Langton's Loops -/+evolve turn on/off Evolving Loops -/+dissolve turn on/off structurally dissolvable loops -/+sheath turn on/off sheath extension -/+wrap turn on/off wrapping lyapunov Shows lyapunov space -/+cycle turn on/off colour cycling mandelbrot Shows mandelbrot sets -increment value increasing orders -/+binary turn on/off Binary Decomposition colour modulation -/+dem turn on/off Distance Estimator Method (instead of escape time) -/+lyap render interior with Lyapunov measure -/+alpha render interior with Alpha level sets -/+index render interior with Alpha indexes -/+pow turn on/off adding z^z -/+sin turn on/off adding sin(z) -/+cycle turn on/off colour cycling marquee Shows messages matrix Shows the Matrix maze Shows a random maze and a depth first search solution -/+trackmouse turn on/off the tracking of the mouse mountain Shows Papo's mountain range munch Shows munching squares nose Shows a man with a big nose runs around spewing out messages pacman Shows Pacman(tm) -/+trackmouse turn on/off the tracking of the mouse penrose Shows Penrose's quasiperiodic tilings -/+ammann turn on/off Ammann lines petal Shows various GCD Flowers petri Shows a mold simulation in a petri dish -anychan float The chance that new cell will be born -diaglim float The age limit for diagonal growth -instantdeathchan float Instant death chance -mem-throttle string memThrottle -maxlifespan num the maximum lifespan of a colony -minlifespan num the minimum lifespan of a colony -maxlifespeed float the maximum speed for living cells -minlifespeed float the minimum speed for living cells -maxdeathspeed float the maximum speed for black death cells -mindeathspeed float the minimum speed for black death cells -minorchan float The chance on a minor cell birth polyominoes Shows attempts to place polyominoes into a rectangle -/+identical turn on/off puzzles where the polyomino pieces are identical -/+plain turn on/off plain pieces puzzle Shows a puzzle being scrambled and then solved pyro Shows fireworks qix Shows spinning lines a la Qix(tm) -/+complete turn on/off complete morphing graph -/+kaleid turn on/off complete kaleidoscope -/+solid turn on/off fills roll Shows a rolling ball rotor Shows Tom's Roto-Rooter scooter Shows a journey through space tunnel and stars shape Shows stippled rectangles, ellipses, and triangles -/+shade turn on/off shape's shadows -/+border turn on/off shape's borders -/+stipple turn on/off shape's stippling sierpinski Shows Sierpinski's triangle slip Shows slipping blits solitare Shows Klondike's game of solitare -/+trackmouse turn on/off the tracking of the mouse space Shows a journey into deep space sphere Shows a bunch of shaded spheres spiral Shows a helical locus of points spline Shows colorful moving splines -/+erase turn on/off the following erase of splines star Shows a star field with a twist -trek num chance of a Star Trek encounter -/+rock turn on/off rocks -/+straight turn on/off spin and shifting origin starfish Shows starfish -cyclespeed num Cycling speed -rotation num Rotation velocity -thickness num Thickness -/+blob turn on/off blob -/+cycle turn on/off cycle strange Shows strange attractors swarm Shows a swarm of bees following a wasp -/+trackmouse turn on/off the tracking of the mouse swirl Shows animated swirling patterns -/+cycle turn on/off colour cycling t3d Shows a Flying Balls Clock Demo -/+cycle turn on/off colour cycling -move num Move speed -wobble num Wobble speed -mag num Magnification factor -fast num Fast -/+minutes turn on/off minutes -/+trackmouse turn on/off the tracking of the mouse tetris Shows an autoplaying tetris game -/+bonus turn on/off larger bonus pieces -/+cycle turn on/off colour cycling -/+plain turn on/off plain pieces -/+trackmouse turn on/off the tracking of the mouse -/+well turn on/off the welltris mode thornbird Shows an animated bird in a thorn bush fractal map tik_tak Shows rotating polygons -/+cycle turn on/off colour cycling toneclock Shows Peter Schat's toneclock -fill num polygon filling chance in % -/+cycle turn on/off colour cycling -/+original turn on/off displaying original clock only -/+move turn on/off moving small clocks -/+pulsating turn on/off pulsating clock triangle Shows a triangle mountain range tube Shows an animated tube -/+cycle turn on/off colour cycling turtle Shows turtle fractals vines Shows fractals voters Shows Dewdney's Voters -neighbors num squares 4 or 8, hexagons 6, triangles 3, 9 or 12 wator Shows Dewdney's Water-Torus planet of fish and sharks -neighbors num squares 4 or 8, hexagons 6, triangles 3, 9 or 12 wire Shows a random circuit with 2 electrons -neighbors num squares 4 or 8, hexagons 6, triangles 3, 9 or 12 world Shows spinning Earths worm Shows wiggly worms xcl Shows a control line combat model race -speed num speed for the planes in km/h -frametime num time for one frame on the screen in usecs -line_length num distance between the pilot and the plane in mm -spectator num distance between spectator and pilot in mm -/+viewmodel turn on/off an anim view of one model -/+oldcolor turn on/off the old yellow/red combination -/+xcldebug turn on/off some timing information -/+automatic turn on/off auto scale for fit into the window -/+randomstart turn on/off a random start point for models at startup xjack Shows Jack having one of those days blank Shows nothing but a black screen bomb Shows a bomb and will autologout after a time random Shows a random mode (except blank and bomb) -duration num how long a mode runs before changing to another -modelist string list of modes to randomly choose from -/+sequential turn on/off picking of modes sequentially -/+fullrandom turn on/off full random choice of mode-options