* ''INTEGER'' : A integervalueinthe form ofa10bytestring * !-0000000000 = 0-! * !-0000000005 = 5-! * !-0000000123 = 123-! * ''READ'' : Reading avalue involves two step.1readan''INTEGER''value, n2read n bytes. * ''WRITE'' : Writing avalue involves two steps1 count thebytesinvalueandwritethe size asan''INTEGER''2writethevalueasbytes * ''WRITE COUNTS'' : Write the counts as4''INTEGER''s1right2 wrong3 ignores4 exceptions * ''STATUS'' : Length of Error Message. If it is zero, the connection has been established. If not, it is followed bythe Error Message.