!while echo 'spong\n'; do :; done | dd of=original bs=1024 count=1024 2>/dev/null
put original uploaded
!diff -u original uploaded
get uploaded downloaded
!diff -u original downloaded
put -m601 original upload2
ls -l upload2
#-rw------x +\S+ +\S+ +\S+ +\d+ +[a-zA-Z]+ +\d+ +\d+:\d+ upload2
!if type seq >/dev/null 2>/dev/null; then seq 999999; else jot 999999; fi > original
put original uploaded
!diff -u original uploaded
get uploaded downloaded
!diff -u original downloaded
_overlap
