| file | offset | flags | |
|---|---|---|---|
| input | if | skip | iflag |
| output | of | seek | oflag |
- count number of units to copy
- bs block (unit) size
- conv comma separated options:
- notrunc dont truncate output file
- fdatasync write data before finishing
- *fsync write data+metadata before finishing
- flags
- dsync
- sync
- nonblock
- nofollow