FONTSERVER
the default X font server to contact. The server name must be specified in one of the formats defined in the Font Server Names section of X(7).
Font dumper for x font server
showfont [-options ...]
-fn
pattern
Showfont displays data about a font that matches the given pattern. The information shown includes font information, font properties, character metrics, and character bitmaps.
The wildcard character "*" can be used to match any sequence of characters (including none) in the font name, and "?" can be used to match any single character. The "*" and "?" characters must be quoted to prevent them from being expanded by the shell. If no pattern is given, "*" is assumed.
-server servername
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.
-fn nameThe font to display.
-lsb
The bit order of the font should be requested as LSBFirst (least significant bit first).
-msb
The bit order of the font should be requested as MSBFirst (most significant bit first).
-LSB
The byte order of the font should be requested as LSBFirst (least significant byte first).
-MSB
The byte order of the font should be requested as MSBFirst (most significant byte first).
-ext[ents_only]
Only the character extents should be displayed, but not the bitmaps.
-start charThe start of the range of the characters to display (char is a number).
-end charThe end of the range of the characters to display (char is a number).
-unit nThe scanline unit of the font (8, 16, 32, or 64).
-pad nThe scanpad unit of the font (8, 16, 32, or 64).
-b[itmap_pad] nThe bitmap padding unit of the font (0, 1, or 2, where 0 is ImageRectMin, 1 is ImageRectMaxWidth and 2 is ImageRectMax).
-noprops
Do not show the font properties.
-version
Print the program version and exit.
FONTSERVER
the default X font server to contact. The server name must be specified in one of the formats defined in the Font Server Names section of X(7).
10 releases since Debian 4.0 (Etch); the text changed 5 times.
-version since Debian 9 (Stretch).