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<head><title>Cornell CS Public Software</title></head><h1>A guide to publicly maintained software at CUCS</h1><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><!WA0><img src="http://www.cs.cornell.edu/Info/Misc/usr-public/cowputer72-small.gif"><h2>Cornell Computer Science</h2><h3>Last update: <em>Halloween, 1994</em></h3>This page provides information about using the public softwarein /usr/public on the Cornell Computer Science machines. The/usr/public directory is the place for files that are useful to theentire department, but without official support by adm.</h1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><!WA1><a href="#A1.0">Current Announcements</a><ul><li><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><!WA2><a href="#A1.1">Synopsis</a><li><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><!WA3><a href="#A1.2">How to access</a><li><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><!WA4><a href="#A1.3">What is in /usr/public</a><li><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><!WA5><a href="#A1.4">What should not be in /usr/public</a><li><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><!WA6><a href="#A1.5">Directory organization</a><li><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><!WA7><a href="#A1.6">How to obtain further help</a><li>Other pages available in /usr/public <ul> <li><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><!WA8><a href="http://www.cs.cornell.edu/Info/Misc/usr-public/czars/czars.html">Current List of czars.</a> <li><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><!WA9><a href="http://www.cs.cornell.edu/Info/Misc/usr-public/ufq/upson-quotes.html">Upson's familiar quotes</a> <li><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><!WA10><a href="http://www.cs.cornell.edu/Info/Misc/usr-public/after-cornell/survey.html"><em>After Cornell</em> survey</a> <li><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><!WA11><a href="http://www.cs.cornell.edu/Info/Misc/usr-public/maxusers.html">Space used by each user in /usr/public</a> <li><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><!WA12><a href="http://earth.cs.cornell.edu:21399/StatQuery">Query database for all files in /usr/public</a> </ul></ul><h2><a name="A1.0">Current Announcements</h2>The public-czar is currently updating these pages and conducting aperiodic cleanup of the /usr/public directory. If you have somthingin /usr/public and you haven't used it in a while, please considerremoving it!<h2><a name="A1.1">Synopsis</h2>/usr/public/ is a directory which is mounted on all of thedepartmental Suns. It contains all software which is considereduseful to the entire community and is not officially supported by adm.All software in /usr/public is provided without any guarantees byother users. To determine who is responsible for a program, look atthe owner of the executable.<p>There is also a public-czar that informally manages the directory.Periodically this czar will walk through the directory looking forspace, and if you have installed something, you may receive a messagefrom the czar asking if the program is still useful. We are alwaysshort of space, so this may happen fairly often. The public-czar isalso available to provide assistance if you need help finding orinstalling something, or if you feel something needs to be changed.<p>The public-czar is currently<!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><!WA13><a href="http://www.cs.cornell.edu/Info/People/jyh/jyh.html">Jason Hickey</a>but mail can be directly sent to the alias "public-czar", which willalways be kept up-to-date.<h2><a name="A1.2">How to access /usr/public</h2>To access the binaries in /usr/public, include "/usr/local/pub.bin"into your path (defined in .cshrc). You should have this at the endof your path for security reasons. Games are stored in a directorywhich may be accessed with "/usr/local/public/games". Many usefulmanual entries are also in "/usr/public/man" and may be accessed byadding to the environment variable MANPATH. For example, thefollowing is a reasonable way to define MANPATH:<p><code>setenv MANPATH /usr/share/man:/usr/public/man</code><h2><a name="A1.3">What is in /usr/public</h2>/usr/public contains user supported software. Here is a list of somereasonable things to put in /usr/public: compilers for unusuallanguages, experimental editors, games, odd utilities, and data files.Sources for executables should be stored in /usr/public/src. Forsecurity reasons, sources should be available whenever possible.Include manual pages in /usr/public/man. Look in that directory forsome examples. Remember, the manual entry is often the only clueabout what a program does.<p>There are tips-??? help files in the normal area. Feel free to addtips files in /usr/public/man/man1. Remember that these files need tobe in troff man format. Look at an existing man page to figure itout. If you would like to add WWW info, contact the public-czar, whowill add it to this file. There is also an emacs texinfo page, sodocumentation can be added that way, too.<p>All public games are stored in /usr/public/.../games. These aremanaged by the games czar who is ultimately responsible for what staysand what goes. Sources for most games are in /usr/public/src/games.Please do not make private copies of the games because they waste alot of disk space. In particular, do not copy the ``fortune'' databasefile.<h2><a name="A1.4">What should <em>not</em> be in /usr/public</h2>It is easy to crowd a public disk with useless junk. Core dumps andobject files should be removed as quickly as possible. Executablesshould be stripped (see "strip"). Large sources for stable programsshould be deleted. Do not throw something onto /usr/public unlessthese is good reason to believe that other people might use it. Neverput software into /usr/public which is of questionable origin: virusesare a daily concern. If something seems strange, do not hesitate tobring it up.<p>/usr/public often fills up. This leads to lots of finger pointing andnasty messages so try to be polite. If you really value something,but everyone else does not seem to care, move it to your homedirectory.<h2><a name="A1.5">Directory organization</h2>/usr/public holds binaries for several architectures. To make accesssomehat machine-independent, architecture-dependent executables areavailable in /usr/local/pub.bin, which will always be a link to theappropriate directory. Architecure-independent files are always keptin /usr/public/share/... This includes shell scripts, images,emacs-info pages, WWW pages, and other assortedarchitecture-independent files. This is true even though right now wemostly use sparc/sunos4 throughout the department. Remember, solarisis on the way, like it or not. If it makes you feel more comfortable,add a link from executables you install in /usr/public/share/bin tocorresponding directory entries in /usr/public/{sun4,solaris}/bin.If you install in the wrong place, the public-czar will always comearound to correct you:-)<p>Here is a summary:<ul><li> <em>/usr/public/adm:</em> for the public-czar, look here for stats if you want.<li> <em>/usr/public/cdi:</em> various info, this will get incorporated into this page.<li> <em>/usr/public/hp:</em> HP dependent files.<li> <em>/usr/public/include:</em> Architecture-independent include files. Thisshould be a link to /usr/public/share/include.<li> <em>/usr/public/lisp:</em> I don't really know why we have this,it may go away soon.<li> <em>/usr/public/ls:</em> This is just to give you a hard time:-)<li> <em>/usr/public/src:</em> Source directoriesfor the installed programs. Any program, whether it is one file ornot, should be installed in a <em>directory</em> here.<li> <em>/usr/public/sun4:</em> sun4/sunos4 libraries andexecutables.<li> <em>/usr/public/sun4/games:</em> Games for sun4/sunos4.<li> <em>/usr/public/solaris:</em> sun4/sunos5 libraries andexecutables.<li> <em>/usr/public/share:</em> Architecture-independent libraries,info files, shell-scripts, etc.</ul><h2><a name="A1.6">How to get further help</h2>If you need further guidance of any sort, send mail to<!WA14><!WA14><!WA14><!WA14><!WA14><!WA14><!WA14><!WA14><a href="http://www.cs.cornell.edu/Info/People/jyh/jyh.html">public-czar@cs.cornell.edu</a>.⌨️ 快捷键说明
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