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acct - enable or disable process accounting



      acct - enable or disable process accounting


      Standard C Library (libc, -lc)


      #include <unistd.h>
      acct(const char *file);


      The acct() call enables or disables the collection of system accounting
      records.  If the argument file is a nil pointer, accounting is disabled.
      If file is an existing pathname (null-terminated), record collection is
      enabled and for every process initiated which terminates under normal
      conditions an accounting record is appended to file.  Abnormal conditions
      of termination are reboots or other fatal system problems.  Records for
      processes which never terminate can not be produced by acct().
      For more information on the record structure used by acct(), see
      /usr/include/sys/acct.h and acct(5).
      This call is permitted only to the super-user.


      Accounting is automatically disabled when the file system the accounting
      file resides on runs out of space; it is enabled when space once again
      becomes available.
      On error -1 is returned.  The file must exist and the call may be exer‐
      cised only by the super-user.


      Acct() will fail if one of the following is true:
      [EPERM]            The caller is not the super-user.
      [ENOTDIR]          A component of the path prefix is not a directory.
      [ENAMETOOLONG]     A component of a pathname exceeded 255 characters, or
                         an entire path name exceeded 1023 characters.
      [ENOENT]           The named file does not exist.
      [EACCES]           Search permission is denied for a component of the
                         path prefix, or the path name is not a regular file.
      [ELOOP]            Too many symbolic links were encountered in translat‐
                         ing the pathname.
      [EROFS]            The named file resides on a read-only file system.
      [EFAULT]           File points outside the process’s allocated address
      [EIO]              An I/O error occurred while reading from or writing to
                         the file system.
      acct(5), sa(8)


      An acct() function call appeared in Version 7 AT&T UNIX.


Based on BSD UNIX
FreeBSD is an advanced operating system for x86 compatible (including Pentium and Athlon), amd64 compatible (including Opteron, Athlon64, and EM64T), UltraSPARC, IA-64, PC-98 and ARM architectures. It is derived from BSD, the version of UNIX developed at the University of California, Berkeley. It is developed and maintained by a large team of individuals. Additional platforms are in various stages of development.

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