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WTMP(V)                      9/10/73                      WTMP(V)







NAME

     wtmp - user login history



DESCRIPTION

     This file records all logins and  logouts.   Its  format  is

     exactly  like utmp(V) except that a null user name indicates

     a logout on the associated typewriter,  and  the  typewriter

     name `x' indicates that UNIX was rebooted at that point.



     Wtmp is maintained by login(I) and  init(VII).   Neither  of

     these  programs  creates  the  file,  so  if  it  is removed

     record-keeping is turned off.



     This file resides in directory /tmp.



SEE ALSO

     init(VII), login(I)