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<HTML><HEAD><TITLE>Executing external programs</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.77+"><LINKREL="HOME"TITLE="Intercom"HREF="intercom.html"><LINKREL="UP"TITLE="Interfacing With Intercom"HREF="interface.html"><LINKREL="PREVIOUS"TITLE="Interfacing With Intercom"HREF="interface.html"><LINKREL="NEXT"TITLE="Conditionals"HREF="interface-if.html"></HEAD><BODYCLASS="SECTION"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">Intercom: Version 0.15 Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="interface.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 5. Interfacing With Intercom</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="interface-if.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECTION"><H1CLASS="SECTION"><ANAME="INTERFACE-EXEC"></A>Executing external programs</H1><P>One of the simplest yet most powerful commands in terms of interfacingis the <BCLASS="COMMAND">exec</B> command. It takes a single argument andpasses it directly to the shell. For example, if you wanted to clear thescreen, you could enter <BCLASS="COMMAND">exec clear</B>. Or better yet, todefine a clear alias to do the same thing, enter<BCLASS="COMMAND">alias <TTCLASS="REPLACEABLE"><I>clear</I></TT> 'exec clear'</B>.Exec takes only one argument so for more complicated commands,mind your quoting.</P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="interface.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="intercom.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="interface-if.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Interfacing With Intercom</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="interface.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Conditionals</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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