???????, ????, ???????????, ?????, ????? — ???? ??????? ????? ????????? ????????? ??????. ????????? ????????? — ?????????? ? ????? ???????, ???? ?????? ????? ???????? ? ??? ?????????. ???????? ?????????? ?????????? ???????? ????????. 0) ended up totally unavailable in System V, and that Berkeley UNIX is way more suited to the study atmosphere,