NAZWA

       lastlog - wyświetla informacje o ostanim logowaniu dla wybranego lub wszystkich użytkowaników

STRESZCZENIE

       lastlog [opcje]

OPIS

       lastlog formats and prints the contents of the last login log /var/log/lastlog file. The login-name,
       port, and last login time will be printed. The default (no flags) causes lastlog entries to be printed,
       sorted by their order in /etc/passwd.

OPCJE

       The options which apply to the lastlog command are:

       -b, --before DAYS
           Print only lastlog records older than DAYS.

       -C, --clear
           Clear lastlog record of a user. This option can be used only together with -u (--user)).

       -h, --help
           Wyświetlenie komunikatu pomocy i zakończenie działania.

       -R, --root CHROOT_DIR
           Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR
           directory.

       -S, --set
           Set lastlog record of a user to the current time. This option can be used only together with -u
           (--user)).

       -t, --time DAYS
           Print the lastlog records more recent than DAYS.

       -u, --user LOGIN|RANGE
           Print the lastlog record of the specified user(s).

           The users can be specified by a login name, a numerical user ID, or a RANGE of users. This RANGE of
           users can be specified with a min and max values (UID_MIN-UID_MAX), a max value (-UID_MAX), or a min
           value (UID_MIN-).

       If the user has never logged in the message ** Never logged in** will be displayed instead of the port
       and time.

       Only the entries for the current users of the system will be displayed. Other entries may exist for users
       that were deleted previously.

UWAGI

       The lastlog file is a database which contains info on the last login of each user. You should not rotate
       it. It is a sparse file, so its size on the disk is usually much smaller than the one shown by "ls -l"
       (which can indicate a really big file if you have in passwd users with a high UID). You can display its
       real size with "ls -s".

CONFIGURATION

       The following configuration variables in /etc/login.defs change the behavior of this tool:

       LASTLOG_UID_MAX (number)
           Highest user ID number for which the lastlog entries should be updated. As higher user IDs are
           usually tracked by remote user identity and authentication services there is no need to create a huge
           sparse lastlog file for them.

           No LASTLOG_UID_MAX option present in the configuration means that there is no user ID limit for
           writing lastlog entries.

PLIKI

       /var/log/lastlog
           Baza danych ostatnich logowań użytkowników.

OSTRZEŻENIA

       Duże luki w numeracji UID powodują, że program będzie pracował dłużej, nie wyświetlając wyników (np.
       jeśli w bazie lastlog nie ma wpisów dla o UID pomiedzy 170, a 800, to program będzie sprawiał wrażenie
       zawieszonego w trakcie przetwarzania wpisów dla użytkowanikół o UID 171-799).

shadow-utils 4.8.1                                 02/06/2024                                         LASTLOG(8)