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+'\" t
+.\" Title: lastlog
+.\" Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\" Date: 23-01-2020
+.\" Manual: Systemhanteringskommandon
+.\" Source: shadow-utils 4.8.1
+.\" Language: Swedish
+.\"
+.TH "LASTLOG" "8" "23-01-2020" "shadow\-utils 4\&.8\&.1" "Systemhanteringskommandon"
+.\" -----------------------------------------------------------------
+.\" * 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 "NAMN"
+lastlog \- reports the most recent login of all users or of a given user
+.SH "SYNOPSIS"
+.HP \w'\fBlastlog\fR\ 'u
+\fBlastlog\fR [\fIflaggor\fR]
+.SH "BESKRIVNING"
+.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 "FLAGGOR"
+.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
+Visa hj\(:alpmeddelande och avsluta\&.
+.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 "NOTERA"
+.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 "FILER"
+.PP
+/var/log/lastlog
+.RS 4
+Databastider f\(:or tidigare anv\(:andarinloggningar\&.
+.RE
+.SH "T\(:ANK P\(oA"
+.PP
+Large gaps in UID numbers will cause the lastlog program to run longer with no output to the screen (i\&.e\&. if in lastlog database there is no entries for users with UID between 170 and 800 lastlog will appear to hang as it processes entries with UIDs 171\-799)\&.