acct - Enables and disables process accounting
int acct (
char *path );
path Specifies a pointer to the pathname of the file, or specifies a
The acct() function enables and disables UNIX process accounting. When
enabled, process accounting produces an accounting record on behalf of each
terminating process. The path parameter specifies the pathname of the file
to which an accounting record is written. When the path parameter is 0
(zero) or a null value, the acct() function disables the accounting rou-
If the path parameter refers to a symbolic link, the acct() function writes
records to the file pointed to by the symbolic link.
If Network File System is installed on your system, the accounting file can
reside on another node. To ensure accurate accounting, each node must have
its own accounting file, which can be located on any node in the network.
The calling process must have superuser privilege to enable or disable pro-
Upon successful completion, the acct() function returns a value of 0
(zero). Otherwise, a value of -1 is returned and errno is set to indicate
If the acct() function fails, errno may be set to one of the following
[EPERM] The calling process does not have appropriate system privilege.
[ENOENT] The file named by the path parameter does not exist.
[EACCES] The file named by the path parameter is not an ordinary file.
[EACCES] Write permission is denied for the named accounting file.
[EROFS] The named file resides on a read-only file system.
Functions: exit(2), sigaction(2), sigvec(2), expacct(3), raise(3)