Quick refresher to gauge our current understanding of bash ##Exercise1
a)Created folder called Exercise and three subdirectories;Sequence_headers,Sequence_unalgn,extract_sequence.sh.
b)sequence_headers- contain sequence_headers for downloaded file nrf1.fa
c)sequence_unalgn contain downloaded fasta file nrf1.fa
d)Extract_sequence.sh contain scripts used.
Assignment-26-02-2019