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<BR> <P>
<H1><A NAME="SECTION001300000000000000000">Glossary (DRAFT)</A></H1>
<P>
<P>
<I>
The Librarian of the Unseen University <BR>
had unilaterally decided to aid comprehension <BR>
by producing an Orang-utan/Human Dictionary. <BR>
He'd been working on it for three months.
<P>
It wasn't easy. He'd got as far as `Oook.'
<P>
(Terry Pratchett, ``Men At Arms'') <BR>
</I><P>
<P>
This is a short list of word definitions for concepts relating to
Linux and system administration. The page references are to the
first or most important place where the word is used.
<P>
<DL ><DT><STRONG>ambition</STRONG>
<DD>
The act of writing funny sentences in the hope of getting them
into the Linux cookie file.
<P>
<DT><STRONG>application program</STRONG>
<DD> (p. <A HREF="node5.html#chapoverview" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/node5.html#chapoverview"><IMG ALIGN=BOTTOM ALT="gif" SRC="cross_ref_motif.gif" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/cross_ref_motif.gif"></A>)
Software that does something useful. The results of using an
application program is what the computer was bought for.
See also system program, operating system.
<P>
<DT><STRONG>daemon</STRONG>
<DD> A process lurking in the background, usually unnoticed, until
something triggers it into action. For example, the <tt>update</tt><A NAME="2876"> </A>
daemon wakes up every thirty seconds or so to flush the buffer
cache, and the <tt>sendmail</tt><A NAME="2878"> </A> daemon awakes whenever someone sends
mail.
<P>
<DT><STRONG>file system</STRONG>
<DD> (p. <A HREF="node41.html#secfilesystems" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/node41.html#secfilesystems"><IMG ALIGN=BOTTOM ALT="gif" SRC="cross_ref_motif.gif" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/cross_ref_motif.gif"></A>)
The methods and data structures that an operating
system uses to keep track of files on a disk or partition;
the way the files are organized on the disk. Also used about
a partition or disk that is used to store the files
or the type of the filesystem.
<P>
<DT><STRONG>glossary</STRONG>
<DD>
A list of words and explanations of what they do. Not
to be confused with a dictionary, which is also a list of
words and explanations.
<P>
<DT><STRONG>kernel</STRONG>
<DD> (p. <A HREF="node5.html#chapoverview" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/node5.html#chapoverview"><IMG ALIGN=BOTTOM ALT="gif" SRC="cross_ref_motif.gif" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/cross_ref_motif.gif"></A>)
Part of an operating system that implements the interaction with
hardware and the sharing of resources. See also system program.
<P>
<DT><STRONG>operating system</STRONG>
<DD> (p. <A HREF="node5.html#chapoverview" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/node5.html#chapoverview"><IMG ALIGN=BOTTOM ALT="gif" SRC="cross_ref_motif.gif" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/cross_ref_motif.gif"></A>)
Software that shares a computer system's resources (processor,
memory, disk space, network bandwidth, and so on) between
users and the application programs they run. Controls access
to the system to provide security. See also kernel, system program,
application program.
<P>
<DT><STRONG>system call</STRONG>
<DD> (p. <A HREF="node5.html#chapoverview" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/node5.html#chapoverview"><IMG ALIGN=BOTTOM ALT="gif" SRC="cross_ref_motif.gif" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/cross_ref_motif.gif"></A>)
The services provided by the kernel to application programs,
and the way in which they are invoked. See section 2 of the
manual pages.
<P>
<DT><STRONG>system program</STRONG>
<DD> (p. <A HREF="node5.html#chapoverview" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/node5.html#chapoverview"><IMG ALIGN=BOTTOM ALT="gif" SRC="cross_ref_motif.gif" tppabs="http://linux.ccpi.gov.cn/Linux/linuxadmin/cross_ref_motif.gif"></A>)
Programs that implement high level functionality of an operating
system, i.e., things that aren't directly dependent on the
hardware. May sometimes require special privileges to run
(e.g., for delivering electronic mail), but often just commonly
thought of as part of the system (e.g., a compiler). See also
application program, kernel, operating system.
<P>
</DL>
<P>
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<P><ADDRESS>
<I>Lars Wirzenius <BR>
Sun Jun 29 13:31:22 EEST 1997</I>
</ADDRESS>
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