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games(1) [plan9 man page]

GAMES(1)						      General Commands Manual							  GAMES(1)

NAME
4s, 5s, ana, mandel, plumb, smiley, life, fsim, clock, catclock, fireworks, swar, festoon - time wasters SYNOPSIS
games/4s games/5s games/ana [ fixwords ] games/mandel games/plumb [ level ] games/smiley games/life startfile games/fsim games/clock games/catclock [ -c ] games/fireworks games/swar games/festoon [ -p ] [ -e ] [ -t ] [ -sseed ] [ len ] [ pfn ] DESCRIPTION
There are a few games in /bin/games: 4s, 5s Try to fill complete rows using 4-square or 5-square tiles. Move tiles left or right by moving the mouse. Rotate tiles with buttons 1 and 3. Drop tiles for more points with button 2 or the space bar. ana Find anagrams for words typed on standard input. Anagrams can contain several dictionary words. The fixwords argument or num- bers typed on standard input fix the number of words in the output anagrams. mandel Compute and display Mandelbrot sets. Menus on the mouse buttons control various things. plumb Build a plumbing system. Keep ahead of the advancing oil and don't waste pipe. The level argument lets you start at a harder level. smiley A game of historical importance. Type space to shoot, comma to move left, and period to go right. life Play the game of life, given an initial position. There is a library of interesting initial positions; the library is consulted if startfile cannot be found. fsim Pretend you're flying a Cessna. clock, catclock Display analog clocks. Option -c makes catclock crosseyed. fireworks Hoist the fiery blue peter. swar Space war for two players called MCI and SPRINT. One player types a or d to turn left or right, s to shoot, x to enter hyper- space, and w to accelerate. The other player uses ;, l, . and o. AT&T scores whenever either ship shoots itself or otherwise causes mayhem. Hyperspace is occasionally fatal. festoon Traditional radical monoarchate qualitativeness. Now produces pictures (-p), tables (-t), and equations (-e). The seed can be set to recreate a specific document. Len is sentence length, and pfn is percent faked nouns (default 0). FILES
/sys/games/lib/4scores scores of 4s games /sys/games/lib/5scores scores of 5s games /sys/games/lib/plumb/scores scores of plumb games /sys/games/lib/anawords used by ana /sys/games/lib/plumb/* miscellaneous files used by plumb /sys/games/lib/life/* interesting starting positions SOURCE
/sys/src/games GAMES(1)

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DM(8)                                                       BSD System Manager's Manual                                                      DM(8)

NAME
dm -- dungeon master SYNOPSIS
ln -s dm game DESCRIPTION
dm is a program used to regulate game playing. dm expects to be invoked with the name of a game that a user wishes to play. This is done by creating symbolic links to dm, in the directory /usr/games for all of the regulated games. The actual binaries for these games should be placed in a ``hidden'' directory, /usr/lib/games/dm, that may only be accessed by the dm program. dm determines if the requested game is available and, if so, runs it. The file /etc/dm.conf controls the conditions under which games may be run. The file /etc/nogames may be used to ``turn off'' game playing. If the file exists, no game playing is allowed; the contents of the file will be displayed to any user requesting a game. FILES
/etc/dm.conf configuration file /etc/nogames turns off game playing /usr/lib/games/dm directory of ``real'' binaries /var/games/games.log game logging file SEE ALSO
dm.conf(5) HISTORY
The dm command appeared in 4.3BSD-Tahoe. SECURITY CONSIDERATIONS
Two issues result from dm running the games setgid ``games''. First, all games that allow users to run UNIX commands should carefully set both the real and effective group ids immediately before executing those commands. Probably more important is that dm never be setgid any- thing but ``games'' so that compromising a game will result only in the user's ability to play games at will. Secondly, games which previ- ously had no reason to run setgid and which accessed user files may have to be modified. BSD May 31, 1993 BSD
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