Public Domain Icons     These icons were originally made for Mosaic for X and have been     included in the NCSA httpd and Apache server distributions in the     past. They are in the public domain and may be freely included in any     application. The originals were done by Kevin Hughes      (kevinh@kevcom.com).     Many thanks to Andy Polyakov for tuning the icon colors and adding a     few new images. If you'd like to contribute additions or ideas to     this set, please let me know.     Almost all of these icons are 20x22 pixels in size.  There are     alternative icons in the "small" directory that are 16x16 in size,     provided by Mike Brown (mike@hyperreal.org).Suggested UsesThe following are a few suggestions, to serve as a starting point for ideas.Please feel free to tweak and rename the icons as you like.     a.gif          This might be used to represent PostScript or text layout          languages.     alert.black.gif, alert.red.gif          These can be used to highlight any important items, such as a          README file in a directory.     back.gif, forward.gif          These can be used as links to go to previous and next areas.     ball.gray.gif, ball.red.gif          These might be used as bullets.     binary.gif          This can be used to represent binary files.     binhex.gif          This can represent BinHex-encoded data.     blank.gif          This can be used as a placeholder or a spacing element.     bomb.gif          This can be used to represent core files.     box1.gif, box2.gif          These icons can be used to represent generic 3D applications and          related files.     broken.gif          This can represent corrupted data.     burst.gif          This can call attention to new and important items.     c.gif          This might represent C source code.     comp.blue.gif, comp.red.gif          These little computer icons can stand for telnet or FTP          sessions.     compressed.gif          This may represent compressed data.     continued.gif          This can be a link to a continued listing of a directory.     down.gif, up.gif, left.gif, right.gif          These can be used to scroll up, down, left and right in a          listing or may be used to denote items in an outline.     dvi.gif          This can represent DVI files.     f.gif          This might represent FORTRAN or Forth source code.     folder.gif, folder.open.gif, folder.sec.gif          The folder can represent directories. There is also a version          that can represent secure directories or directories that cannot          be viewed.     generic.gif, generic.sec.gif, generic.red.gif          These can represent generic files, secure files, and important          files, respectively.     hand.right.gif, hand.up.gif          These can point out important items (pun intended).     image1.gif, image2.gif, image3.gif          These can represent image formats of various types.     index.gif          This might represent a WAIS index or search facility.     layout.gif          This might represent files and formats that contain graphics as          well as text layout, such as HTML and PDF files.     link.gif          This might represent files that are symbolic links.     movie.gif          This can represent various movie formats.     p.gif          This may stand for Perl or Python source code.     pie0.gif ... pie8.gif          These icons can be used in applications where a list of          documents is returned from a search. The little pie chart images          can denote how relevant the documents may be to your search          query.     patch.gif          This may stand for patches and diff files.     portal.gif          This might be a link to an online service or a 3D world.     ps.gif, quill.gif          These may represent PostScript files.     screw1.gif, screw2.gif          These may represent CAD or engineering data and formats.     script.gif          This can represent any of various interpreted languages, such as          Perl, python, TCL, and shell scripts, as well as server          configuration files.     sound1.gif, sound2.gif          These can represent sound files.     sphere1.gif, sphere2.gif          These can represent 3D worlds or rendering applications and          formats.     tex.gif          This can represent TeX files.     text.gif          This can represent generic (plain) text files.     transfer.gif          This can represent FTP transfers or uploads/downloads.     unknown.gif          This may represent a file of an unknown type.     uuencoded.gif          This can stand for uuencoded data.     world1.gif, world2.gif          These can represent 3D worlds or other 3D formats.