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‎user/print.html

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@@ -2401,6 +2401,171 @@ <h2 id="options-19"><a class="header" href="#options-19">Options</a></h2>
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<p>Print version</p>
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</dd>
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</dl>
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<h3 id="operands"><a class="header" href="#operands">Operands</a></h3>
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<ul>
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<li>
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<p>Bs=BYTES : read and write up to BYTES bytes at a time (default: 512);
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overwrites ibs and obs.</p>
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</li>
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<li>
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<p>cbs=BYTES : the 'conversion block size' in bytes. Applies to the
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conv=block, and conv=unblock operations.</p>
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</li>
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<li>
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<p>conv=CONVS : a comma-separated list of conversion options or (for legacy
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reasons) file flags.</p>
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</li>
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<li>
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<p>count=N : stop reading input after N ibs-sized read operations rather
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than proceeding until EOF. See iflag=count_bytes if stopping after N bytes
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is preferred</p>
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</li>
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<li>
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<p>ibs=N : the size of buffer used for reads (default: 512)</p>
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</li>
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<li>
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<p>if=FILE : the file used for input. When not specified, stdin is used instead</p>
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</li>
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<li>
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<p>iflag=FLAGS : a comma-separated list of input flags which specify how the
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input source is treated. FLAGS may be any of the input-flags or general-flags
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specified below.</p>
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</li>
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<li>
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<p>skip=N (or iseek=N) : skip N ibs-sized records into input before beginning
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copy/convert operations. See iflag=seek_bytes if seeking N bytes is preferred.</p>
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</li>
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<li>
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<p>obs=N : the size of buffer used for writes (default: 512)</p>
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</li>
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<li>
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<p>of=FILE : the file used for output. When not specified, stdout is used
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instead</p>
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</li>
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<li>
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<p>oflag=FLAGS : comma separated list of output flags which specify how the
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output source is treated. FLAGS may be any of the output flags or general
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flags specified below</p>
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</li>
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<li>
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<p>seek=N (or oseek=N) : seeks N obs-sized records into output before
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beginning copy/convert operations. See oflag=seek_bytes if seeking N bytes is
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preferred</p>
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</li>
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<li>
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<p>status=LEVEL : controls whether volume and performance stats are written to
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stderr.</p>
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<p>When unspecified, dd will print stats upon completion. An example is below.</p>
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<p>plain
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6+0 records in
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16+0 records out
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8192 bytes (8.2 kB, 8.0 KiB) copied, 0.00057009 s,
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14.4 MB/s</p>
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<p>The first two lines are the 'volume' stats and the final line is the
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'performance' stats.
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The volume stats indicate the number of complete and partial ibs-sized reads,
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or obs-sized writes that took place during the copy. The format of the volume
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stats is <complete>+<partial>. If records have been truncated (see
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conv=block), the volume stats will contain the number of truncated records.</p>
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<p>Possible LEVEL values are:</p>
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<ul>
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<li>progress : Print periodic performance stats as the copy proceeds.</li>
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<li>noxfer : Print final volume stats, but not performance stats.</li>
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<li>none : Do not print any stats.</li>
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</ul>
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<p>Printing performance stats is also triggered by the INFO signal (where supported),
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or the USR1 signal. Setting the POSIXLY_CORRECT environment variable to any value
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(including an empty value) will cause the USR1 signal to be ignored.</p>
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</li>
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</ul>
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<h3 id="conversion-options"><a class="header" href="#conversion-options">Conversion Options</a></h3>
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<ul>
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<li>
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<p>ascii : convert from EBCDIC to ASCII. This is the inverse of the ebcdic
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option. Implies conv=unblock.</p>
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</li>
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<li>
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<p>ebcdic : convert from ASCII to EBCDIC. This is the inverse of the ascii
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option. Implies conv=block.</p>
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</li>
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<li>
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<p>ibm : convert from ASCII to EBCDIC, applying the conventions for [, ]
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and ~ specified in POSIX. Implies conv=block.</p>
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</li>
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<li>
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<p>ucase : convert from lower-case to upper-case.</p>
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</li>
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<li>
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<p>lcase : converts from upper-case to lower-case.</p>
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</li>
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<li>
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<p>block : for each newline less than the size indicated by cbs=BYTES, remove
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the newline and pad with spaces up to cbs. Lines longer than cbs are truncated.</p>
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</li>
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<li>
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<p>unblock : for each block of input of the size indicated by cbs=BYTES, remove
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right-trailing spaces and replace with a newline character.</p>
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</li>
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<li>
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<p>sparse : attempts to seek the output when an obs-sized block consists of
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only zeros.</p>
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</li>
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<li>
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<p>swab : swaps each adjacent pair of bytes. If an odd number of bytes is
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present, the final byte is omitted.</p>
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</li>
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<li>
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<p>sync : pad each ibs-sided block with zeros. If block or unblock is
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specified, pad with spaces instead.</p>
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</li>
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<li>
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<p>excl : the output file must be created. Fail if the output file is already
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present.</p>
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</li>
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<li>
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<p>nocreat : the output file will not be created. Fail if the output file in
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not already present.</p>
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</li>
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<li>
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<p>notrunc : the output file will not be truncated. If this option is not
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present, output will be truncated when opened.</p>
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</li>
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<li>
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<p>noerror : all read errors will be ignored. If this option is not present,
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dd will only ignore Error::Interrupted.</p>
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</li>
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<li>
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<p>fdatasync : data will be written before finishing.</p>
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</li>
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<li>
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<p>fsync : data and metadata will be written before finishing.</p>
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</li>
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</ul>
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<h3 id="input-flags"><a class="header" href="#input-flags">Input flags</a></h3>
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<ul>
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<li>count_bytes : a value to count=N will be interpreted as bytes.</li>
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<li>skip_bytes : a value to skip=N will be interpreted as bytes.</li>
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<li>fullblock : wait for ibs bytes from each read. zero-length reads are still
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considered EOF.</li>
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</ul>
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<h3 id="output-flags"><a class="header" href="#output-flags">Output flags</a></h3>
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<ul>
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<li>append : open file in append mode. Consider setting conv=notrunc as well.</li>
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<li>seek_bytes : a value to seek=N will be interpreted as bytes.</li>
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</ul>
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<h3 id="general-flags"><a class="header" href="#general-flags">General Flags</a></h3>
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<ul>
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<li>Direct : use direct I/O for data.</li>
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<li>directory : fail unless the given input (if used as an iflag) or
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output (if used as an oflag) is a directory.</li>
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<li>dsync : use synchronized I/O for data.</li>
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<li>sync : use synchronized I/O for data and metadata.</li>
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<li>nonblock : use non-blocking I/O.</li>
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<li>noatime : do not update access time.</li>
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<li>nocache : request that OS drop cache.</li>
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<li>noctty : do not assign a controlling tty.</li>
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<li>nofollow : do not follow system links.</li>
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</ul>
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<h2 id="examples-18"><a class="header" href="#examples-18">Examples</a></h2>
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<p>Make a bootable USB drive from an isohybrid file (such like <code>archlinux-xxx.iso</code>):</p>
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<pre><code class="language-shell">dd if={{path/to/file.iso}} of=/dev/{{usb_drive}}
@@ -3911,8 +4076,8 @@ <h2 id="examples-35"><a class="header" href="#examples-35">Examples</a></h2>
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</div>
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<pre><code>id [OPTION]... [USER]...
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</code></pre>
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<p>Print user and group information for each specified USER,
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or (when USER omitted) for the current user.</p>
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<p>Print user and group information for each specified <code>USER</code>,
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or (when <code>USER</code> omitted) for the current user.</p>
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<h2 id="options-38"><a class="header" href="#options-38">Options</a></h2>
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<dl><dt><code>-A</code></dt>
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<dd>
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<p>Print version</p>
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</dd>
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</dl>
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<p>The id utility displays the user and group names and numeric IDs, of the
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calling process, to the standard output. If the real and effective IDs are
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different, both are displayed, otherwise only the real ID is displayed.</p>
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<p>If a user (login name or user ID) is specified, the user and group IDs of
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that user are displayed. In this case, the real and effective IDs are
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assumed to be the same.</p>
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<h2 id="examples-36"><a class="header" href="#examples-36">Examples</a></h2>
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<p>Display current user's ID (UID), group ID (GID) and groups to which they belong:</p>
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<pre><code class="language-shell">id
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</code></pre>
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<p>For each pair of input lines with identical join fields, write a line to
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standard output. The default join field is the first, delimited by blanks.</p>
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<p>When FILE1 or FILE2 (not both) is -, read standard input.</p>
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<p>When <code>FILE1</code> or <code>FILE2</code> (not both) is <code>-</code>, read standard input.</p>
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<h2 id="options-40"><a class="header" href="#options-40">Options</a></h2>
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<dl><dt><code>-a &lt;FILENUM&gt;</code></dt>
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<dd>
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mv [OPTION]... SOURCE... DIRECTORY
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mv [OPTION]... -t DIRECTORY SOURCE...
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</code></pre>
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<p>Move SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.</p>
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<p>Move <code>SOURCE</code> to <code>DEST</code>, or multiple <code>SOURCE</code>(s) to <code>DIRECTORY</code>.</p>
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<h2 id="options-52"><a class="header" href="#options-52">Options</a></h2>
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<dl><dt><code>--backup=&lt;CONTROL&gt;</code></dt>
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<dd>
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<pre><code>nproc [OPTIONS]...
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</code></pre>
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<p>Print the number of cores available to the current process.
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If the OMP_NUM_THREADS or OMP_THREAD_LIMIT environment variables are set, then
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If the <code>OMP_NUM_THREADS</code> or <code>OMP_THREAD_LIMIT</code> environment variables are set, then
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they will determine the minimum and maximum returned value respectively.</p>
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<h2 id="options-56"><a class="header" href="#options-56">Options</a></h2>
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<dl><dt><code>--all</code></dt>
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</div>
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<pre><code>touch [OPTION]... [USER]
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</code></pre>
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<p>Update the access and modification times of each FILE to the current time.</p>
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<p>Update the access and modification times of each <code>FILE</code> to the current time.</p>
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<h2 id="options-101"><a class="header" href="#options-101">Options</a></h2>
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<dl><dt><code>--help</code></dt>
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<dd>

‎user/searchindex.js

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