Chaining commands: Quick Apache/Nginx log analyzer

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cut -f1 -d ' ' examples/apache_access.log | sort | uniq -c | sort -k1 -n | tail -1

• Take the Apache access log.
• Get the first field of every line where the fields are separated by spaces. (These are the IP addresses of the visitors.)
• Sort them.
• Drop duplicates prefixing each value by the number of occurances.
• Sort the new double column by the numeric value of the first field.