This problem is not specify FCB in memory, should not be the first step to access FCB, access disk + 1? Still hope the great god answers, confused for a long, long time,

CodePudding user response:

Come ah, die man

CodePudding user response:

The default file is open, the question is written to the 30th need how much time

If the problem is the file F unknown how many records, then only need to read file operations, the default is not open

CodePudding user response:

Thank you, this is my neglect , can look at the trouble I posted another question

CodePudding user response:

refer to the second floor illiterate old gu response:

default file is open, the question is written to the 30th need how much time

If the problem is the file F unknown how many records, so only need to read file operations, the default is not open

Thank you, this is my negligence, can look at the trouble I posted another question