68 lines
2.0 KiB
Groff
68 lines
2.0 KiB
Groff
.\" ** You probably do not want to edit this file directly **
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.\" It was generated using the DocBook XSL Stylesheets (version 1.69.0).
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.\" Instead of manually editing it, you probably should edit the DocBook XML
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.\" source for it and then use the DocBook XSL Stylesheets to regenerate it.
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.TH "LASTLOG" "8" "08/10/2005" "" ""
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.SH "NAME"
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lastlog \- examine lastlog file
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.SH "SYNOPSIS"
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.HP 8
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\fBlastlog\fR [\fIoptions\fR]
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.SH "DESCRIPTION"
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.PP
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\fBlastlog\fR
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formats and prints the contents of the last login log
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\fI/var/log/lastlog\fR
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file. The
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\fI login\-name\fR,
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\fIport\fR, and
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\fIlast login time\fR
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will be printed. The default (no flags) causes lastlog entries to be printed, sorted by their order in
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\fI/etc/passwd\fR.
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.SH "OPTIONS"
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.TP
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The options which apply to the \fBlastlog\fR command are:
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.TP
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\fB\-h\fR, \fB\-\-help\fR
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Print help message and exit.
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.TP
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\fB\-t\fR, \fB\-\-time\fR \fIDAYS\fR
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Print the lastlog records more recent than
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\fIDAYS\fR.
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.TP
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\fB\-u\fR, \fB\-\-user\fR \fILOGIN\fR
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Print the lastlog record for user with specified
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\fILOGIN\fR
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only.
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.TP
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The \fB\-t\fR flag overrides the use of \fB\-u\fR.
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.PP
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If the user has never logged in the message
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\fI **Never logged in**\fR
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will be displayed instead of the port and time.
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.SH "NOTE"
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.PP
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The
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\fBlastlog\fR
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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 much smaller than the one shown by
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\fBls \-l\fR
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(which can indicate a really big file if you have a high UID). You can display its real size with
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\fBls \-s\fR.
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.SH "FILES"
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.TP
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\fI/var/log/lastlog\fR
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lastlog logging file
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.SH "CAVEATS"
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.PP
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Large gaps in uid numbers will cause the lastlog program to run longer with no output to the screen (i.e. if mmdf=800 and last uid=170, program will appear to hang as it processes uid 171\-799).
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.SH "AUTHORS"
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.PP
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Julianne Frances Haugh (jockgrrl@ix.netcom.com)
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.PP
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Phillip Street
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