AC(8) UNIX Programmer's Manual AC(8) NAME ac - login accounting SYNOPSIS /usr/sbin/ac [ -w wtmp ] [ -p ] [ -d ] [ people ] ... DESCRIPTION _A_c produces a printout giving connect time for each user who has logged in during the life of the current _w_t_m_p file. A total is also produced. -w is used to specify an alternate _w_t_m_p file. -p prints individual totals; without this option, only totals are printed. -d causes a printout for each midnight to midnight period. Any _p_e_o_p_l_e will limit the printout to only the specified login names. If no _w_t_m_p file is given, /_u_s_r/_a_d_m/_w_t_m_p is used. The accounting file /_u_s_r/_a_d_m/_w_t_m_p is maintained by _i_n_i_t and _l_o_g_i_n. Neither of these programs creates the file, so if it does not exist no connect-time accounting is done. To start accounting, it should be created with length 0. On the other hand if the file is left undisturbed it will grow without bound, so periodically any information desired should be collected and the file truncated. FILES /usr/adm/wtmp SEE ALSO init(8), sa(8), login(1), utmp(5). Printed 11/26/99 November 16, 1996 1