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<title>ls</title>
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<h2 align=center>ls</h2>
<h4 align=center>OS/161 Reference Manual</h4>
<h3>Name</h3>
ls - list files or directory contents
<h3>Synopsis</h3>
/bin/ls [-adlRs] [<em>path</em>...]
<h3>Description</h3>
ls lists the filesystem objects specified on the command line. If they
are directories, the contents of the directories are listed (unless
the -d option is used).
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If the -a option is given, filenames beginning with dot (.) will be
listed. Ordinarily, they are skipped.
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If the -d option is given, directory contents will not be listed; the
directories themselves will be.
<p>
If the -l option is given, a long format listing showing the file
size, type, and link count will be displayed instead of just the
filenames.
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If the -R option is given, subdirectories encountered will be listed
recursively.
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If the -s option is given, the number of filesystem blocks used by
each object will be displayed in addition to other information.
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If no <em>paths</em> are specified, the current directory is assumed.
<h3>Requirements</h3>
ls uses the following syscalls:
<ul>
<li> <A HREF=../syscall/open.html>open</A>
<li> <A HREF=../syscall/write.html>write</A>
<li> <A HREF=../syscall/fstat.html>fstat</A>
<li> <A HREF=../syscall/getdirentry.html>getdirentry</A>
<li> <A HREF=../syscall/close.html>close</A>
<li> <A HREF=../syscall/_exit.html>_exit</A>
</ul>
ls should function properly once the file system assignment is
completed.
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