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PDP-10.its/doc/wiki/its_secrets

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<p>
<strong>Don&#039;t read this</strong>
</p>
<p>
To patch ITS while it&#039;s running, first type <code>sys$j</code> to get the sysjob. This job has the core image of the ITS monitor, but it&#039;s write-protected by default. To unprotect it, type <code>$$^R</code>.
</p>
<p>
To get a directory listing, type <code>^R m.f.d. (file)</code>. Or run PEEK on the 340 display (type <code>^Y</code>) and type <code>D</code>.
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<p>
To make a new directory, say foobar, type <code>^R foobar; ..new. (udir)</code>. Unless on a really old ITS… in which case you must patch the ITS location NUFDTB with the sixbit name of the directory, and then access a file in it.
</p>