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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 - D </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="">D</H1></font></h3><UL><LI><a href="../xcu/date.html">date</A> - write the date and time<LI><a href="../xsh/daylight.html">daylight</A> - daylight savings time flag<LI><a href="../xsh/dbm_clearerr.html">dbm_clearerr</A>, dbm_close, dbm_delete, dbm_error, dbm_fetch,<LI><a href="../xcu/dd.html">dd</A> - convert and copy a file<LI><a href="../xcurses/def_prog_mode.html">def_prog_mode</A>, def_shell_mode, reset_prog_mode, reset_shell_mode<LI><a href="../xcurses/del_curterm.html">del_curterm</A>, restartterm, set_curterm, setupterm<LI><a href="../xcurses/delay_output.html">delay_output</A> - delay output<LI><a href="../xcurses/delch.html">delch</A>, mvdelch, mvwdelch, wdelch - delete a character from a window.<LI><a href="../xcurses/deleteln.html">deleteln</A>, wdeleteln - delete lines in a window<LI><a href="../xcurses/delscreen.html">delscreen</A> - free storage associated with a screen<LI><a href="../xcu/delta.html">delta</A> - make a delta (change) to an SCCS file (<b>DEVELOPMENT</b>)<LI><a href="../xcurses/delwin.html">delwin</A> - delete a window<LI><a href="../xcurses/derwin.html">derwin</A>, newwin, subwin - window creation functions<LI><a href="../xcu/df.html">df</A> - report free disk space<LI><a href="../xcu/diff.html">diff</A> - compare two files<LI><a href="../xsh/difftime.html">difftime</A> - compute the difference between two calendar time values<LI><a href="../xcu/dircmp.html">dircmp</A> - directory comparison (<b>LEGACY</b>)<LI><a href="../xsh/dirent.h.html">dirent.h</A> - format of directory entries<LI><a href="../xsh/dirname.html">dirname</A> - report the parent directory name of a file pathname<LI><a href="../xcu/dirname.html">dirname</A> - return the directory portion of pathname (XCU)<LI><a href="../xcu/dis.html">dis</A> - disassembler (<b>DEVELOPMENT</b>, <b>LEGACY</b>)<LI><a href="../xsh/div.html">div</A> - compute the quotient and remainder of an integer division<LI><a href="../xsh/dlclose.html">dlclose</A> - close a dlopen() object<LI><a href="../xsh/dlerror.html">dlerror</A> - get diagnostic information<LI><a href="../xsh/dlfcn.h.html">dlfcn.h</A> - dynamic linking<LI><a href="../xsh/dlopen.html">dlopen</A> - gain access to an executable object file<LI><a href="../xsh/dlsym.html">dlsym</A> - obtain the address of a symbol from a dlopen() object<LI><a href="../xcu/chap2.html#tag_001_014_004">dot</a> - Execute Commands in Current Environment (Shell Built-in)<LI><a href="../xcurses/doupdate.html">doupdate</A>, refresh, wnoutrefresh, wrefresh<LI><a href="../xsh/drand48.html">drand48</A>, erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48<LI><a href="../xcu/du.html">du</A> - estimate file space usage (<b>LEGACY</b>)<LI><a href="../xsh/dup.html">dup</A>, dup2 - duplicate an open file descriptor<LI><a href="../xcurses/dupwin.html">dupwin</A> - duplicate a window</UL>Terminology<UL><li> <a href="../xbd/glossary.html#tag_004_000_070">data segment</a><li> <a href="../xsh/datatypes.html">Data Types</a><li> <a href="../xbd/glossary.html#tag_004_000_071">device</a><li> <a href="../xbd/glossary.html#tag_004_000_072">device ID</a><li> <a href="../xbd/glossary.html#tag_004_000_073">direct I/O</a><li> <a href="../xbd/glossary.html#tag_004_000_074">directory</a><li> <a href="../xbd/glossary.html#tag_004_000_075">directory entry</a><li> <a href="../xbd/glossary.html#tag_004_000_076">directory stream</a><li> <a href="../xbd/files.html#tag_003">Directory Structure and Devices</a><li> <a href="../xbd/glossary.html#tag_004_000_077">disarm (a timer)</a><li> <a href="../xbd/glossary.html#tag_004_000_078">display</a><li> <a href="../xbd/glossary.html#tag_004_000_079">dollar sign</a><li> <a href="../xbd/glossary.html#tag_004_000_080">dot</a><li> <a href="../xbd/glossary.html#tag_004_000_081">dot-dot</a><li> <a href="../xbd/glossary.html#tag_004_000_082">double-quote</a><li> <a href="../xbd/glossary.html#tag_004_000_083">downshifting</a><li> <a href="../xbd/glossary.html#tag_004_000_084">(clock) drift rate</a><li> <a href="../xbd/glossary.html#tag_004_000_085">driver</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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