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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --> <title>Alphabetical Index - U </title></head> <body bgcolor=white><center> <h3><font face="Helvetica"> The Single UNIX® Specification, Version 2</font></h3><hr size=2 noshade></center><P>[<a href="ia.html">A</A>|<a href="ib.html">B</A>|<a href="ic.html">C</A>|<a href="id.html">D</A>|<a href="ie.html">E</A>|<a href="if.html">F</A>|<a href="ig.html">G</A>|<a href="ih.html">H</A>|<a href="ii.html">I</A>|<a href="ij.html">J</A>|<a href="ik.html">K</A>|<a href="il.html">L</A>|<a href="im.html">M</A>|<a href="in.html">N</A>|<a href="io.html">O</A>|<a href="ip.html">P</A>|<a href="iq.html">Q</A>|<a href="ir.html">R</A>|<a href="is.html">S</A>|<a href="it.html">T</A>|<a href="iu.html">U</A>|<a href="iv.html">V</A>|<a href="iw.html">W</A>|<a href="ix.html">X</A>|<a href="iy.html">Y</A>|<a href="iz.html">Z</A>|<a href="index.html"> Index </a> ] </P><p><h3><font face="Helvetica"><IMG ALIGN=TOP SRC="../images/index.gif" ALT="">U</H1></font></h3><UL><LI><a href="../xsh/ualarm.html">ualarm</A> - set the interval timer<LI><a href="../xsh/ucontext.h.html">ucontext</A> - user context<LI><a href="../xsh/ulimit.html">ulimit</A> - get and set process limits<LI><a href="../xcu/ulimit.html">ulimit</A> - set or report file size limit (XCU)<LI><a href="../xsh/ulimit.h.html">ulimit.h</A> - ulimit commands<LI><a href="../xsh/umask.html">umask</A> - get or set the file mode creation mask<LI><a href="../xcu/umask.html">umask</A> - set and get file mode creation mask (XCU)<LI><a href="../xcu/unalias.html">unalias</A> - remove alias definitions<LI><a href="../xsh/uname.html">uname</A> - get name of current system<LI><a href="../xcu/uname.html">uname</A> - return system name (XCU)<LI><a href="../xcu/uncompress.html">uncompress</A> - expand compressed data<LI><a href="../xcurses/unctrl.html">unctrl</A> - generate printable representation of a character<LI><a href="../xcurses/unctrl.h.html">unctrl.h</A> - definitions for <i>unctrl</i>()<LI><a href="../xcu/unexpand.html">unexpand</A> - convert spaces to tabs<LI><a href="../xcu/unget.html">unget</A> - undo a previous get of an SCCS file (<b>DEVELOPMENT</b>)<LI><a href="../xsh/ungetc.html">ungetc</A> - push byte back into input stream<LI><a href="../xcurses/ungetch.html">ungetch</A>, unget_wch - push a character onto the input queue<LI><a href="../xsh/ungetwc.html">ungetwc</A> - push wide-character code back into input stream<LI><a href="../xcu/uniq.html">uniq</A> - report or filter out repeated lines in a file<LI><a href="../xsh/unistd.h.html">unistd.h</A> - standard symbolic constants and types<LI><a href="../xsh/unlink.html">unlink</A> - call the unlink function (XCU)<LI><a href="../xcu/unlink.html">unlink</A> - remove a directory entry<LI><a href="../xsh/unlockpt.html">unlockpt</A> - unlock a pseudo-terminal master/slave pair<LI><a href="../xcu/chap2.html#tag_001_014_015">unset</a> - Unset Values and Attributes of Variables and Functions (Shell Built-in)<LI><a href="../xcu/unpack.html">unpack</A> - expand files (<b>LEGACY</b>)<LI><a href="../xcurses/untouchwin.html">untouchwin</A> - window refresh control function<LI><a href="../xcurses/use_env.html">use_env</A> - specify source of screen size information<LI><a href="../xsh/usleep.html">usleep</A> - suspend execution for an interval<LI><a href="../xsh/utime.html">utime</A> - set file access and modification times<LI><a href="../xsh/utime.h.html">utime.h</A> - access and modification times structure<LI><a href="../xsh/utimes.html">utimes</A> - set file access and modification times<LI><a href="../xsh/utmpx.h.html">utmpx.h</A> - user accounting database definitions<LI><a href="../xcu/uucp.html">uucp</A> - system-to-system copy<LI><a href="../xcu/uudecode.html">uudecode</A> - decode a binary file<LI><a href="../xcu/uuencode.html">uuencode</A> - encode a binary file<LI><a href="../xcu/uulog.html">uulog</A> - query system-to-system transaction log (<b>LEGACY</b>)<LI><a href="../xcu/uuname.html">uuname</A> - list names of other known uucp systems (<b>LEGACY</b>)<LI><a href="../xcu/uupick.html">uupick</A> - receive public system-to-system file copies (<b>LEGACY</b>)<LI><a href="../xcu/uustat.html">uustat</A> - uucp status inquiry and job control<LI><a href="../xcu/uuto.html">uuto</A> - send public system-to-system file copies (<b>LEGACY</b>)<LI><a href="../xcu/uux.html">uux</A> - remote command execution</UL>Terminology<UL><li> <a href="../xbd/glossary.html#tag_004_000_316">upshifting</a><li> <a href="../xsh/interfaces.html">Use and Implementation of Interfaces</a><li> <a href="../xbd/glossary.html#tag_004_000_317">user database</a><li> <a href="../xbd/glossary.html#tag_004_000_318">user ID</a><li> <a href="../xbd/glossary.html#tag_004_000_319">user name</a><li> <a href="../xbd/glossary.html#tag_004_000_320">utility</a><li> <a href="../xbd/utilconv.html#tag_009">Utility Conventions</a><li> <a href="../xbd/utilconv.html#tag_009_001">Utility Argument Syntax</a><li> <a href="../xbd/utilconv.html#tag_009_002">Utility Syntax Guidelines</a> </UL><hr size=2 noshade> <center><font size=2>UNIX ® is a registered Trademark of The Open Group.<br><a href="../copyr.html">Copyright</a> © 1997 The Open Group </font></center><hr size=2 noshade></body></html>⌨️ 快捷键说明
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