Regarding ls -lR, why not save the hassle of saving output to a file, and just pipe it to less instead? `ls -lR | less` Also I'd highly recommend installing a

Regarding ls -lR, why not save the hassle of saving output to a file, and just pipe it to less instead? `ls -lR | less` Also I'd highly recommend installing ack-grep for searching instead of using grep -R.