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RedHat 9 (Linux i386) - man page for acct (redhat section 2)

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ACCT(2) 			    Linux Programmer's Manual				  ACCT(2)

       acct - switch process accounting on or off

       #include <unistd.h>

       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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