- ram_init
- read_area
- read_head
- read_ind
- read_inode
- read_intr
- read_pipe
- read_super
- recal_interrupt
- redo_hd_request
- release
- relocation_info
- remove_from_queues
- request
- reset_controller
- reset_floppy
- reset_hd
- reset_interrupt
- respond
- restore_cur
- result
- ri
- rs_init
- rs_write
- rw
- rw_interrupt
- rw_memory
- rw_tty
- rw_ttyx