#### Specific command
bash cutadapt.sh
bash sports-human.sh
qsub -t 1-18 PBS_viRNA_fenbu.sh

Rscript virus_AUCG+_.R *zheng_AUCG.txt  *fu_AUCG.txt *_virus_AUCG.pdf
### Supplementary Instructions
##Use cutadapt.sh to download data on SARS-COV-2 infection of other cell lines and remove adapter sequences
##Align the downloaded data to the human genome using sports-human.sh
##PBS_viRNA_fenbu.sh to get the length distribution, the script must be run under /input/unmapping_fa
##using virus_AUCG+_.R for drawing 
