095-105.html

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<P><FONT SIZE="+1"><B>printenv......<TT>Print Environment</TT></B></FONT></P>

<IMG SRC="images/05-17i.jpg"><P><B>printenv</B> <I>variable</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>printenv</B> command prints your environment variables. If you specify a variable, this command returns information about that variable; if you don&#146;t specify a variable, the <B>printenv</B> command prints information about all variables.</P>

<P><FONT SIZE="+1"><B>ps......<TT>Print Status</TT></B></FONT></P>

<P><B>ps</B> <I>option(s)</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>ps</B> command returns information about a process. There&#146;s a long, complicated set of options available with this command; check the online-manual pages for more information.</P>

<P><FONT SIZE="+1"><B>rb......<TT>Receive Ymodem</TT></B></FONT></P>

<P><B>rb</B> <I>option(s)</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>rb</B> command is used to receive files using the Ymodem transfer protocol.</P>

<P><FONT SIZE="+1"><B><I>OPTIONS</I></B></FONT></P>

<TABLE WIDTH="100%">

<TR>

<TD WIDTH="20%" VALIGN="TOP"><B>a</B>

<TD WIDTH="80%">Strips carriage returns and all characters beginning with the first <B>Ctrl-Z</B>.

<TR>

<TD><B>b</B>

<TD>Binary file-transfer override.

<TR>

<TD><B>D</B>

<TD>Output file data to <B>/dev/null</B>; for testing.

<TR>

<TD><B>q</B>

<TD>Works in quiet mode.

<TR>

<TD><B>t <I>time</I></B>

<TD>Changes timeout to <I>time</I> tenths of seconds.

<TR>

<TD VALIGN="TOP"><B>v</B>

<TD>Works in verbose mode, causing a list of filenames to be appended to <B>/tmp/rzlog</B>.

<TR>

<TD><B>y</B>

<TD>Clobbers any existing files with the same name.

</TABLE>

<P><FONT SIZE="+1"><B>rdjpgcom......<TT>Comments in JPEG</TT></B></FONT></P>

<P><B>rdjpgcom</B> <I>option jpeg_file</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>rdjpgcom</B> command reads a <B><I>jpeg_file</I></B> file and prints the text comments within. The JPEG format allows for &#147;comment&#148; (COM) blocks, ordinarily used for annotations and titles. The maximum size is 64K but there&#146;s no limit to how many blocks can be in a file.</P>

<P><FONT SIZE="+1"><B><I>OPTION</I></B></FONT></P>

<TABLE WIDTH="100%">

<TR>

<TD WIDTH="20%" VALIGN="TOP"><B>-verbose</B>

<TD WIDTH="80%">Prints the JPEG image dimensions as well as the comments.

</TABLE>

<P><FONT SIZE="+1"><B><I>RELATED COMMANDS</I></B></FONT></P>

<DL>

<DD><B>cjpeg

<DD>djpeg

<DD>wrjpgcom</B>

</DL>

<P><FONT SIZE="+1"><B>reconfig......<TT>Reconfigures Xconfig</TT></B></FONT></P>

<IMG SRC="images/05-18i.jpg"><P><B>reconfig</B> <I>&lt;Xconfig&gt; XF86Config</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>reconfig</B> command converts an old <B>Xconfig</B> file (used in versions of XFree86 before 3.1) to a new <B>XF86Config</B> file. You&#146;ll need to edit the new <B>XF86Config</B> file.</P>

<P><FONT SIZE="+1"><B>renice......<TT>Change Priorities</TT></B></FONT></P>

<P><B>renice</B> <I>priority who option(s)</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>renice</B> command alters the scheduling priority of one or more running processes.</P>

<P><FONT SIZE="+1"><B><I>OPTIONS</I></B></FONT></P>

<TABLE WIDTH="100%">

<TR>

<TD WIDTH="20%" VALIGN="TOP"><B>-g</B>

<TD WIDTH="80%">Forces <I>who</I> parameters to be interpreted as process group IDs.

<TR>

<TD VALIGN="TOP"><B>-p</B>

<TD>Resets <I>who</I> interpretation to be (the default) process IDs.

<TR>

<TD VALIGN="TOP"><B>-u</B>

<TD>Forces <I>who</I> parameters to be interpreted as user names.

</TABLE>

<P><FONT SIZE="+1"><B>reset......<TT>Reset Terminal</TT></B></FONT></P>

<P><B>reset</B></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>reset</B> command resets the terminal. It calls on a number of commands to do so.</P>

<P><FONT SIZE="+1"><B><I>RELATED COMMANDS</I></B></FONT></P>

<DL>

<DD><B>reset

<DD>stty

<DD>tput</B>

</DL>

<P><FONT SIZE="+1"><B>resize......<TT>Reset Terminal</TT></B></FONT></P>

<IMG SRC="images/05-19i.jpg"><P><B>resize</B> <I>option(s)</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>resize</B> command sets the TERM and TERMCAP settings to the current <B>xterm</B> size. For this to happen, the command must be part of the command line or redirected to a file.</P>

<P><FONT SIZE="+1"><B><I>OPTIONS</I></B></FONT></P>

<TABLE WIDTH="100%">

<TR>

<TD WIDTH="30%" VALIGN="TOP"><B>-u</B>

<TD WIDTH="70%">Generates Bourne shell commands, even if the Bourne shell is not the current shell.

<TR>

<TD VALIGN="TOP"><B>-c</B>

<TD>Generates C shell commands, even if the C shell is not the current shell.

<TR>

<TD VALIGN="TOP"><B>-s [<I>rows columns</I>]</B>

<TD>Uses Sun console escape sequences instead of the <B>xterm</B> escape codes. If <I>rows</I> and <I>columns</I> are specified, the <B>xterm</B> window will be asked to resize itself.

</TABLE>

<P><FONT SIZE="+1"><B>runscript......<TT>Runs Minicom Script</TT></B></FONT></P>

<P><B>runscript</B> <I>scriptname</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>runscript</B> command is a script interpreter for the <B>minicom</B> terminal software. It&#146;s usually used to automate logging into a remote UNIX server or a bulletin-board system.</P>

<P>The following commands are recognized within scripts: expect, send, goto, gosub, return, exit, print, set, inc, dec, if, timeout, verbose, sleep, break, and call. The actual scripting language is close to BASIC, and the <B>minicom</B> source code comes with two example scripts: <B>scriptdemo</B> and <B>unixlogin</B>.</P>

<P><FONT SIZE="+1"><B><I>RELATED COMMAND</I></B></FONT></P>

<DL>

<DD><B>minicom</B>

</DL>

<P><FONT SIZE="+1"><B>ruptime......<TT>Host Status</TT></B></FONT></P>

<P><B>ruptime</B> <I>option(s)</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>ruptime</B> command shows the host status of a local machine. This is formed from packets broadcast by each host on the network once a minute. Machines for which no status report has been received for 11 minutes are shown as being down.</P>

<P><FONT SIZE="+1"><B><I>RELATED COMMANDS</I></B></FONT></P>

<DL>

<DD><B>rwho

<DD>uptime</B>

</DL>

<P><FONT SIZE="+1"><B>rx......<TT>Receive Xmodem</TT></B></FONT></P>

<P><B>rx</B> <I>option(s) filename</I></P>

<P><FONT SIZE="+1"><B><I>PURPOSE</I></B></FONT></P>

<P>The <B>rx</B> command receives files using the Xmodem transfer protocol.</P>

<P><FONT SIZE="+1"><B><I>OPTIONS</I></B></FONT></P>

<TABLE WIDTH="100%">

<TR>

<TD WIDTH="20%" VALIGN="TOP"><B>a</B>

<TD WIDTH="80%">Strips carriage returns and all characters, beginning with the first <B>Ctrl-Z</B>.

<TR>

<TD><B>b</B>

<TD>Binary file-transfer override.

<TR>

<TD><B>c</B>

<TD>Request 16-bit CRC.

<TR>

<TD><B>D

<TD></B>Output file data to <B>/dev/null</B>; for testing.

<TR>

<TD VALIGN="TOP"><B>e</B>

<TD>Forces sender to escape all control characters; normally XON, XOFF, DLE, <B>CR-&#64;-CR</B>, and <B>Ctrl-X</B> are escaped.

<TR>

<TD><B>q</B>

<TD>Works in quiet mode.

<TR>

<TD>t <B><I>time</I></B>

<TD>Changes timeout to <I>time</I> tenths of seconds.

<TR>

<TD VALIGN="TOP"><B>v</B>

<TD>Works in verbose mode, causing a list of filenames to be appended to <B>/tmp/rzlog</B>.

</TABLE>

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