nohup sh -c 'for i in $(seq 2007 2021); do mkdir ${i}; cd ${i}; wget  -r --no-parent --reject="index.html*" --cut-dirs=99 --auth-no-challenge --user=VSC4 --password=F0uriertransform -e robots=off  "https://cddis.nasa.gov/archive/vlbi/ivsdata/aux/${i}/"; cd ../; done>output.txt' &