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= System Information =
#'''arch''': Show the machine arch.
#'''uname -m''': Show machine arch.
<tt>x86_64</tt>
<tt>[jdoe@localhost ~]$ uname -m</tt>
<tt>x86_64</tt><tt><br></ttpre> |} #'''uname -r''': Show the kernel version.
#'''cat /proc/version''': Show kernel version (extra information).
[jdoe@localhost ~]$ uname -r
[jdoe@localhost ~]$ cat /proc/version
Linux version 3.11.10-301.fc20.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.8.2 20131017 (Red Hat 4.8.2-1) (GCC) ) #1 SMP Thu Dec 5 14:01:17 UTC 2013<br/pre> |} #<pre>'''dmidecode -q''': Show the system hardware information.</pre>#<pre>'''hdparm -i /dev/hda''': Show harddisk information.</pre>#<pre>'''hdparm -tT /dev/sda''': Do a read test.</pre>#<pre>'''cat /proc/cpuinfo''': Show CPU information.</pre>#<pre>'''cat /proc/interrupts''': Show IRQ information.</pre>#<pre>'''cat /proc/meminfo''': Show Memory status.</pre>#<pre>'''cat /proc/swaps''': Show swap files.<br/pre>#<pre>'''cat /proc/net/dev''': Show Network adapters and statistics.</pre>#<pre>'''cat /proc/mounts''': Show mounted volumes in the system.</pre>#<pre>'''lspci -tv''': Show PCI devices.</pre>#<pre>'''lsusb -tv''': Show USB devices.</pre>#<pre>'''date''': Show the system date.</pre>#<pre>'''cal 2014''': Show calendar <cal + year></pre>#<pre>'''cal 07 2014''': Show month.</pre>#<pre>'''date 041217002011.00''': set date (set, adjust) date y hour.</pre>#<pre>'''clock -w''': Save date changes in BIOS.</pre>
<blockquote>
{| cellspacing="0" cellpadding="5" border="2" style="color: lightgreen; background-color: black;"
|-
| <pre><tt>[jdoe@localhost ~]$ arch</tt>
<tt>x86_64</tt>
<tt>[jdoe@localhost ~]$ uname -m</tt>
<tt>x86_64 </tt></pre>|}</blockquote><pre>