1LSLOGINS(1) User Commands LSLOGINS(1)
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6 lslogins - display information about known users in the system
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9 lslogins [options] [-s|-u[=UID]] [-g groups] [-l logins] [username]
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12 Examine the wtmp and btmp logs, /etc/shadow (if necessary) and
13 /etc/passwd and output the desired data.
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15 The optional argument username forces lslogins to print all available
16 details about the specified user only. In this case the output format
17 is different than in case of -l or -g and unknown is username reported
18 as an error.
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21 The default action is to list info about all the users in the system.
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24 Mandatory arguments to long options are mandatory for short options
25 too.
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27 -a, --acc-expiration
28 Display data about the date of last password change and the
29 account expiration date (see shadow(5) for more info).
30 (Requires root privileges.)
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32 --btmp-file path
33 Alternate path for btmp.
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35 -c, --colon-separate
36 Separate info about each user with a colon instead of a newline.
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38 -e, --export
39 Output data in the format of NAME=VALUE.
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41 -f, --failed
42 Display data about the users' last failed login attempts.
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44 -G, --supp-groups
45 Show information about supplementary groups.
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47 -g, --groups=groups
48 Only show data of users belonging to groups. More than one
49 group may be specified; the list has to be comma-separated. The
50 unknown group names are ignored.
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52 Note that relation between user and group may be invisible for
53 primary group if the user is not explicitly specify as group
54 member (e.g., in /etc/group). If the command lslogins scans for
55 groups than it uses groups database only, and user database with
56 primary GID is not used at all.
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58 -h, --help
59 Display help information and exit.
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61 -L, --last
62 Display data containing information about the users' last login
63 sessions.
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65 -l, --logins=logins
66 Only show data of users with a login specified in logins (user
67 names or user IDS). More than one login may be specified; the
68 list has to be comma-separated. The unknown login names are
69 ignored.
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71 -n, --newline
72 Display each piece of information on a separate line.
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74 --noheadings
75 Do not print a header line.
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77 --notruncate
78 Don't truncate output.
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80 -o, --output list
81 Specify which output columns to print. The default list of col‐
82 umns may be extended if list is specified in the format +list.
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84 --output-all
85 Output all available columns. --help to get a list of all sup‐
86 ported columns.
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88 -p, --pwd
89 Display information related to login by password (see also
90 -afL).
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92 -r, --raw
93 Raw output (no columnation).
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95 -s, --system-accs
96 Show system accounts. These are by default all accounts with a
97 UID between 101 and 999 (inclusive), with the exception of
98 either nobody or nfsnobody (UID 65534). This hardcoded default
99 may be overwritten by parameters SYS_UID_MIN and SYS_UID_MAX in
100 the file /etc/login.defs.
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102 --time-format type
103 Display dates in short, full or iso format. The default is
104 short, this time format is designed to be space efficient and
105 human readable.
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107 -u, --user-accs
108 Show user accounts. These are by default all accounts with UID
109 above 1000 (inclusive), with the exception of either nobody or
110 nfsnobody (UID 65534). This hardcoded default maybe overwritten
111 by parameters UID_MIN and UID_MAX in the file /etc/login.defs.
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113 -V, --version
114 Display version information and exit.
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116 --wtmp-file path
117 Alternate path for wtmp.
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119 -Z, --context
120 Display the users' security context.
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122 -z, --print0
123 Delimit user entries with a nul character, instead of a newline.
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127 The default UID thresholds are read from /etc/login.defs.
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131 0 if OK,
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133 1 if incorrect arguments specified,
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135 2 if a serious error occurs (e.g., a corrupt log).
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138 group(5), passwd(5), shadow(5), utmp(5)
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141 The lslogins utility is inspired by the logins utility, which first
142 appeared in FreeBSD 4.10.
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145 Ondrej Oprala ⟨ooprala@redhat.com⟩
146 Karel Zak ⟨kzak@redhat.com⟩
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150 The lslogins command is part of the util-linux package and is available
151 from Linux Kernel Archive ⟨https://www.kernel.org/pub/linux/utils/util-
152 linux/⟩.
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156util-linux April 2014 LSLOGINS(1)