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ACCT(2) Linux Programmer's Manual ACCT(2)
acct - switch process accounting on or off
int acct(const char *filename);
When called with the name of an existing file as argument, accounting is turned on,
records for each terminating process are appended to filename as it terminates. An argu-
ment of NULL causes accounting to be turned off.
On success, zero is returned. On error, -1 is returned, and errno is set appropriately.
EACCES Write permission is denied for the specified file.
EACCES The argument filename is not a regular file.
EFAULT filename points outside your accessible address space.
EIO Error writing to the file filename.
EISDIR filename is a directory.
ELOOP Too many symbolic links were encountered in resolving filename.
filename was too long.
ENOENT The specified filename does not exist.
ENOMEM Out of memory.
ENOSYS BSD process accounting has not been enabled when the operating system kernel was
compiled. The kernel configuration parameter controlling this feature is CON-
A component used as a directory in filename is not in fact a directory.
EPERM The calling process has no permission to enable process accounting.
EROFS filename refers to a file on a read-only file system.
EUSERS There are no more free file structures or we ran out of memory.
SVr4 (but not POSIX). SVr4 documents an EBUSY error condition, but no EISDIR or ENOSYS.
Also AIX and HPUX document EBUSY (attempt is made to enable accounting when it is already
enabled), as does Solaris (attempt is made to enable accounting using the same file that
is currently being used).
No accounting is produced for programs running when a crash occurs. In particular, non-
terminating processes are never accounted for.
Linux 2.1.126 1998-11-04 ACCT(2)
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