.TH ACCT 2 .SH NAMEacct \- turn accounting on or off.SH SYNOPSIS.B acct(file).br.B char *file;.SH DESCRIPTIONThe system is prepared to write a recordin an accounting.I filefor each process as it terminates.Thiscall, with a null-terminated string naming an existing fileas argument, turns on accounting;records for each terminating process are appended to.IR file .An argument of 0 causes accounting to be turned off..PPThe accounting file format is given in.IR acct (5)..SH "SEE ALSO"acct(5), sa(1).SH DIAGNOSTICSOn 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..SH BUGSNo accounting is produced for programs runningwhen a crash occurs.In particular nonterminating programs are neveraccounted for..SH ASSEMBLER(acct = 51.).br.B sys acct; file