[samtools] samtools sam bam

reference site: http://samtools.sourceforge.net/
manual : http://samtools.sourceforge.net/SAM1.pdf

The Samtools is an essential tool to handle files with sam (bam) format.

99 (decimal) -> 1100011 (binary) : paired, proper pair, mapped, forward, mate reverse .... (Watch the number one by one by reverse order)