1.Could you explain what is the "" mean at the end of first 2 lines?
2.In the "Fecal microbiota transplant (FMT) study: an exercise" -obtain data, you directly use the qza file import,
the data from the illumina was fastq, how to solve the problem?
The \ characters are the ends of the lines, let you spread out a linux command over several lines. For example, these two commands are will do the exact same thing.