tail - output the last part of files

To display the last 10 lines of a file

$ tail /var/log/messages

To Display the last N lines in a file

$ tail -n 4 /var/log/messages

To Print filename header

$ tail -v example.txt

$ tail -v /var/log/messages

To Display the last n lines from multiple files

$ tail -n 4 file1.txt file2.txt

$ tail -n 4 /var/log/messages /var/log/apache2/access.log

To Save the output of tail command to a text file
$ tail -n 10 /var/log/apache2/access.log > output.txt

To append to output.txt

$ tail -n 10 /var/log/messages >> output.txt

To monitor real-time log files

$ tail -f /var/log/messages

To use pipes

$ tail -file.txt | sort

$ tail /var/log/messages | sort

$ tail /var/log/messages | tail -n 6 | sort

To Print N number of bytes data from a file

$ tail -c 500 /var/log/messages

$ tail -c 10M /var/log/messages

To print help options

$ tail --help

regards,

T.Dhanasekar