fslsfonts - list fonts served by X font server
fslsfonts [-options ...] [-fn pattern]
fslsfonts lists the fonts that match the given pattern. The
  wildcard character "*" may be used to match any sequence of
  characters (including none), and "?" to match any single character.
  If no pattern is given, "*" is assumed.
The "*" and "?" characters must be quoted to
    prevent them from being expanded by the shell.
  - -server servername
- This option specifies the X font server to contact. servername must
      be specified in one of the formats defined in the Font Server Names
      section of X(7). If not specified, the server name in the
      FONTSERVER environment variable is used.
- -l
- Lists some attributes of the font on one line in addition to its
    name.
- -ll
- Lists font properties in addition to -l output.
- -lll
- Supported for compatibility with xlsfonts, but output is the same
      as for -ll.
- -m
- This option indicates that long listings should also print the minimum and
      maximum bounds of each font.
- -C
- This option indicates that listings should use multiple columns. This is
      the same as -n 0.
- -1
- This option indicates that listings should use a single column. This is
      the same as -n 1.
- -w width
- This option specifies the width in characters that should be used in
      figuring out how many columns to print. The default is 79.
- -n columns
- This option specifies the number of columns to use in displaying the
      output. The default is 0, which will attempt to fit as many columns of
      font names into the number of character specified by -w
      width.
- -u
- This option indicates that the output should be left unsorted.
- -version
- This option prints the program version and exits.
  - FONTSERVER
- To get the default fontserver. The server name must be specified in one of
      the formats defined in the Font Server Names section of X(7).
xfs(1), showfont(1), xlsfonts(1), X(7).
Doing ``fslsfonts -l'' can tie up your server for a very long time. This is
  really a bug with single-threaded non-preemptable servers, not with this
  program.
Dave Lemke, Network Computing Devices, Inc