Commands

# protein alignment - JTT+CAT model
fasttree protein_alignment > tree

# nucleotide alignment
fasttree -nt nucleotide_alignment > tree

# nucleotide alignment - GTR+CAT model
fasttree -nt -gtr nucleotide_alignment > tree

References

Manual

http://manpages.ubuntu.com/manpages/trusty/man1/fasttree.1.html

Website

http://www.microbesonline.org/fasttree/

Paper

https://academic.oup.com/mbe/article/26/7/1641/1128976/FastTree-Computing-Large-Minimum-Evolution-Trees