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i waant to contain only numbers and letters
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i waant to contain only numbers and letters

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Then there is no simple tool(so far I know)<br />
One more(but no upper chars):<br />
RSTR=$( ( uuidgen; uuidgen; uuidgen ) | tr &quot;\n-&quot; &quot;xX&quot; | head -c 80 )<br />
<br />
and finally, but this is in fact perl programm<br />
RSTR$( perl -e 'while($c&lt;80){ $v=rand(123); next if ($v&lt;48||($v&gt;57&amp;&amp;$v&lt;65)||($<wbr />v&gt;90&amp;&amp;$v&lt;9<wbr />7)); print(chr($v)); $c++}' )<br />

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Then there is no simple tool(so far I know)
One more(but no upper chars):
RSTR=$( ( uuidgen; uuidgen; uuidgen ) | tr "\n-" "xX" | head -c 80 )

and finally, but this is in fact perl programm
RSTR$( perl -e 'while($c<80){ $v=rand(123); next if ($v<48||($v>57&&$v<65)||($v>90&&$v<97)); print(chr($v)); $c++}' )


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( ( uuidgen; uuidgen; uuidgen ) | tr &quot;\n-&quot; &quot;xX&quot; | head -c 80 ) is great, thx<br />

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( ( uuidgen; uuidgen; uuidgen ) | tr "\n-" "xX" | head -c 80 ) is great, thx


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How can i create in bash a random string of 80 characters like nAHSU987ASNnnn9sdnasus9dha<wbr />87ajdJNo79<wbr />88
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How can i create in bash a random string of 80 characters like nAHSU987ASNnnn9sdnasus9dha87ajdJNo7988

bash random string

Kernel programming for Linux operating systems can be done with many different languages; C, C++, Python, Perl and Java, which are some of the most common languages used.There are also many different varieties of Linux, such as Ubuntu, Fedora and OpenSUSE.