codeinthehole.com

        List of commands you use most often
        
       2010/07/25 
        
      $ history | <a class="zem_slink" title="AWK" rel="homepage" href="http://cm.bell-labs.com/cm/cs/awkbook/index.html">awk '{a[$2]++}END{for(i in a){print …
      
        concatenate compressed and uncompressed logs
        
       2010/07/15 
        
      $ find /var/log/apache2 -name 'access.loggz' -exec <a class="zem_slink freebase/guid/9202a8c04000641f800000000001abd9" title="Gzip" rel="homepage" …
      
        Delete all files in a folder that don’t match a certain file extension
        
       2010/04/30 
        
      $ rm !(.foo|.bar|*.baz)
Deletes all files in a folder that are NOT *.foo, *.bar or *.baz files. Edit the pattern inside the brackets as you like.
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