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'\" t
.\" Title: lastlog
.\" Author: Julianne Frances Haugh
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\" Date: 01/23/2020
.\" Manual: Polecenia Zarządzania Systemem
.\" Source: shadow-utils 4.8.1
.\" Language: Polish
.\"
.TH "LASTLOG" "8" "01/23/2020" "shadow\-utils 4\&.8\&.1" "Polecenia Zarządzania Systemem"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAZWA"
lastlog \- wyświetla informacje o ostanim logowaniu dla wybranego lub wszystkich użytkowanik\('ow
.SH "STRESZCZENIE"
.HP \w'\fBlastlog\fR\ 'u
\fBlastlog\fR [\fIopcje\fR]
.SH "OPIS"
.PP
\fBlastlog\fR
formats and prints the contents of the last login log
/var/log/lastlog
file\&. The
\fIlogin\-name\fR,
\fIport\fR, and
\fIlast login time\fR
will be printed\&. The default (no flags) causes lastlog entries to be printed, sorted by their order in
/etc/passwd\&.
.SH "OPCJE"
.PP
The options which apply to the
\fBlastlog\fR
command are:
.PP
\fB\-b\fR, \fB\-\-before\fR\ \&\fIDAYS\fR
.RS 4
Print only lastlog records older than
\fIDAYS\fR\&.
.RE
.PP
\fB\-C\fR, \fB\-\-clear\fR
.RS 4
Clear lastlog record of a user\&. This option can be used only together with
\fB\-u\fR
(\fB\-\-user\fR))\&.
.RE
.PP
\fB\-h\fR, \fB\-\-help\fR
.RS 4
Wyświetlenie komunikatu pomocy i zakończenie dzia\(/lania\&.
.RE
.PP
\fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR
.RS 4
Apply changes in the
\fICHROOT_DIR\fR
directory and use the configuration files from the
\fICHROOT_DIR\fR
directory\&.
.RE
.PP
\fB\-S\fR, \fB\-\-set\fR
.RS 4
Set lastlog record of a user to the current time\&. This option can be used only together with
\fB\-u\fR
(\fB\-\-user\fR))\&.
.RE
.PP
\fB\-t\fR, \fB\-\-time\fR\ \&\fIDAYS\fR
.RS 4
Print the lastlog records more recent than
\fIDAYS\fR\&.
.RE
.PP
\fB\-u\fR, \fB\-\-user\fR\ \&\fILOGIN\fR|\fIRANGE\fR
.RS 4
Print the lastlog record of the specified user(s)\&.
.sp
The users can be specified by a login name, a numerical user ID, or a
\fIRANGE\fR
of users\&. This
\fIRANGE\fR
of users can be specified with a min and max values (\fIUID_MIN\-UID_MAX\fR), a max value (\fI\-UID_MAX\fR), or a min value (\fIUID_MIN\-\fR)\&.
.RE
.PP
If the user has never logged in the message
\fI** Never logged in**\fR
will be displayed instead of the port and time\&.
.PP
Only the entries for the current users of the system will be displayed\&. Other entries may exist for users that were deleted previously\&.
.SH "UWAGI"
.PP
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 "\fBls \-l\fR" (which can indicate a really big file if you have in
passwd
users with a high UID)\&. You can display its real size with "\fBls \-s\fR"\&.
.SH "CONFIGURATION"
.PP
The following configuration variables in
/etc/login\&.defs
change the behavior of this tool:
.PP
\fBLASTLOG_UID_MAX\fR (number)
.RS 4
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\&.
.sp
No
\fBLASTLOG_UID_MAX\fR
option present in the configuration means that there is no user ID limit for writing lastlog entries\&.
.RE
.SH "PLIKI"
.PP
/var/log/lastlog
.RS 4
Baza danych ostatnich logowań użytkownik\('ow\&.
.RE
.SH "OSTRZEŻENIA"
.PP
Duże luki w numeracji UID powodują, że program będzie pracowa\(/l d\(/lużej, nie wyświetlając wynik\('ow (np\&. jeśli w bazie lastlog nie ma wpis\('ow dla o UID pomiedzy 170, a 800, to program będzie sprawia\(/l wrażenie zawieszonego w trakcie przetwarzania wpis\('ow dla użytkowanik\('o\(/l o UID 171\-799)\&.
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