acct \- turn accounting on or off
The system is prepared to write a record
for each process as it terminates.
call, with a null-terminated string naming an existing file
as argument, turns on accounting;
records for each terminating process are appended to
An argument of 0 causes accounting to be turned off.
The accounting file format is given in
On error \-1 is returned.
The file must exist and the call may be exercised only by the super-user.
It is erroneous to try to turn on accounting when it is already on.
No accounting is produced for programs running
In particular nonterminating programs are never