ideally a file must first undergo a process of reading (R). but if the file is initially emptythen it's in writing (W) first. because the file is empty to allow it.
this is what happens to the file (G) in the table below:
initial conditions
User | File D | File F | File G |
A | ORW | RWX | |
B | R | R | OWRX |
c | RW | OW | W |
G files filled condition (R)
User | File D | File F | File G |
A | ORW | RWX | R |
B | R | R | OWRX |
c | RW | OW | W |
information:
R=READ
W=WRITE
X=EXECUTE
O=OWNER
the conclusion is (G) is initially empty, so the file can be edited without having viewedit first. different from the file D and F are not empty.
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