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<A NAME="PAGENUM-143"><P>Page 143</P></A>
<P><B>
OPTIONS
</B></P>
<P>The -image option is for FITS files with three axes. The assumption is that the third axis is for multiple images, and
this option lets you select which one you want.
</P>
<P>Flags -min and -max can be used to override the min and max values as read from the FITS header or the image data if
no DATAMIN and DATAMAX keywords are found. Flag
-scanmax can be used to force the program to scan the data even when
DATAMIN and DATAMAX are found in the header. If
-printmax is specified, the program will just print the min and max values and
quit. Flag -noraw can be used to force the program to produce an ASCII portable anymap.
</P>
<P>The program will tell what kind of anymap is writing. All flags can be abbreviated to their shortest unique prefix.
</P>
<P><B>
REFERENCES
</B></P>
<P>FITS stands for Flexible Image Transport System. A full description can be found in
Astronomy & Astrophysics Supplement Series 44 (1981), page 363.
</P>
<P><B>
SEE ALSO
</B></P>
<P>pnmtofits(1), pgm(5), pnmflip(1)
</P>
<P><B>
AUTHOR
</B></P>
<P>Copyright " 1989 by Jef Poskanzer, with modifications by Daniel Briggs
(dbriggs@nrao.edu) and Alberto Accomazzi
(alberto@cfa.harvard.edu)
</P>
<P>20 September 1989
</P>
<H3><A NAME="ch01_ 69">
fmt
</A></H3>
<P>fmt—Adjust line-length for paragraphs of text
</P>
<P><B>
SYNOPSIS
</B></P>
<!-- CODE SNIP //-->
<PRE>
fmt [_width][files]...
</PRE>
<!-- END CODE SNIP //-->
<P><B>
DESCRIPTION
</B></P>
<P>fmt is a simple text formatter. It inserts or deletes newlines, as necessary, to make all lines in a paragraph be approximately
the same width. It preserves indentation and word spacing.
</P>
<P>The default line width is 72 characters. You can override this with the
_width flag. If you don't name any files on the command line, then
fmt will read from stdin.
</P>
<P>It is typically used from within vi to adjust the line breaks in a single paragraph. To do this, move the cursor to the top
of the paragraph, type !gfmt, and press Return.
</P>
<P><B>
AUTHOR
</B></P>
<P>Steve Kirkendall (kirkenda@cs.pdx.edu)
</P>
<H3><A NAME="ch01_ 70">
fold
</A></H3>
<P>fold—Wrap each input line to fit in specified width
</P>
<P><B>
SYNOPSIS
</B></P>
<!-- CODE SNIP //-->
<PRE>
fold [_bs] [_w width] [—bytes] [—spaces] [—width=width] [—help]
[—version] [file...]
</PRE>
<!-- END CODE SNIP //-->
<A NAME="PAGENUM-144"><P>Page 144</P></A>
<P><B>
DESCRIPTION
</B></P>
<P>This manual page documents the GNU version of
fold. fold prints the specified files, or the standard input when no files
are given or the filename _ is encountered, on the standard output. It breaks long lines into multiple shorter lines by inserting
a newline at column 80. It counts screen columns, so tab characters usually take more than one column, backspace
characters decrease the column count, and carriage return characters set the column count back to zero.
</P>
<P><B>
0PTIONS
</B></P>
<TABLE>
<TR><TD>
_b, —bytes
</TD><TD>
Count bytes rather than columns, so that tabs, backspaces, and carriage returns are each counted
as taking up one column, just like other characters.
</TD></TR><TR><TD>
_s, —spaces
</TD><TD>
Break at word boundaries. If the line contains any blanks, the line is broken after the last blank
that falls within the maximum line length. If there are no blanks, the line is broken at the
maximum line length, as usual.
</TD></TR><TR><TD>
_w, —width width
</TD><TD>
Use a maximum line length of width columns instead of
80.
</TD></TR><TR><TD>
—help
</TD><TD>
Print a usage message and exit with a nonzero status.
</TD></TR><TR><TD>
—version
</TD><TD>
Print version information on standard output then exit.
</TD></TR></TABLE>
<P>GNU Text Utilities
</P>
<H3><A NAME="ch01_ 71">
free
</A></H3>
<P>free—Display amount of free and used memory in the system
</P>
<P><B>
SYNOPSIS
</B></P>
<!-- CODE SNIP //-->
<PRE>
free [-b | -k | -m] [-o] [-s delay] [-t]
</PRE>
<!-- END CODE SNIP //-->
<P><B>
DESCRIPTION
</B></P>
<P>free displays the total amount of free and used physical and swap memory in the system, as well as the shared memory
and buffers used by the kernel.
</P>
<P><B>
OPTIONS
</B></P>
<P>The -b switch displays the amount of memory in bytes; the
-k switch (set by default) displays it in kilobytes; the
-m switch displays it in megabytes.
</P>
<P>The -t switch displays a line containing the totals.
</P>
<P>The -o switch disables the display of a "buffer adjusted" line. Unless specified free subtracts/adds buffer memory from/to
the used/free memory reports (respectively!).
</P>
<P>The -s switch activates continuous polling delay seconds apart. You may actually specify any floating point number
for delay, usleep(3) is used for microsecond resolution delay times.
</P>
<P><B>
FILES
</B></P>
<TABLE>
<TR><TD>
/proc/meminfo
</TD><TD>
Memory information
</TD></TR></TABLE>
<P><B>
SEE ALSO
</B></P>
<P>ps(1), top(1)
</P>
<P><B>
AUTHORS
</B></P>
<P><B>BRIAN EDMONDS
</P></B>
<P>Cohesive Systems, 20 March 1993
</P>
<A NAME="PAGENUM-145"><P>Page 145</P></A>
<H3><A NAME="ch01_ 72">
fsinfo
</A></H3>
<P>fsinfo—X font server information utility
</P>
<P><B>
SYNOPSIS
</B></P>
<!-- CODE SNIP //-->
<PRE>
fsinfo [_server servername]
</PRE>
<!-- END CODE SNIP //-->
<P><B>
DESCRIPTION
</B></P>
<P>fsinfo is a utility for displaying information about an X font server. It is used to examine the capabilities of a server,
the predefined values for various parameters used in communicating between clients and the server, and the font catalogues
and alternate servers that are available.
</P>
<P><B>
EXAMPLE
</B></P>
<P>The following is a sample produced by fsinfo.
</P>
<!-- CODE //-->
<PRE>
name of server: hansen:7100
version number: 1
vendor string: Font Server Prototype
vendor release number: 17
maximum request size: 16384 longwords (65536 bytes)
number of catalogues: 1
all
Number of alternate servers: 2
#0 hansen:7101
#1 hansen:7102
number of extensions: 0
</PRE>
<!-- END CODE //-->
<P><B>
ENVIRONMENT
</B></P>
<TABLE>
<TR><TD>
FONTSERVER
</TD><TD>
To get the default fontserver
</TD></TR></TABLE>
<P><B>
SEE ALSO
</B></P>
<P>xfs(1), fslsfonts(1)
</P>
<P><B>
AUTHOR
</B></P>
<P>Dave Lemke (Network Computing Devices, Inc.)
</P>
<P>X Version 11 Release 6
</P>
<H3><A NAME="ch01_ 73">
fslsfonts
</A></H3>
<P>fslsfonts—List fonts served by X font server
</P>
<P><B>
SYNOPSIS
</B></P>
<!-- CODE SNIP //-->
<PRE>
fslsfonts [_options ...] [_fn pattern]
</PRE>
<!-- END CODE SNIP //-->
<P><B>
DESCRIPTION
</B></P>
<P>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.
</P>
<P>The * and ? characters must be quoted to prevent them from being expanded by the shell.
</P>
<P><B>
OPTIONS
</B></P>
<TABLE>
<TR><TD>
_server host:port
</TD><TD>
This option specifies the X font server to contact.
</TD></TR><TR><TD>
_l
</TD><TD>
Lists some attributes of the font on one line in addition to its name.
</TD></TR></TABLE>
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