Bioconductor provides tools for the analysis and comprehension of high-throughput genomic data. Bioconductor uses the R statistical programming language, and is open source and open development. It has two releases each year, more than 460 packages, and an active user community.
To install standalone BLAST for Ubuntu 11.04:
For User Manual You can visit: http://manpages.ubuntu.com/manpages/natty/man1/blast.1.html