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35 .\" @(#)id.1 8.1 (Berkeley) 6/6/93
36 .\" $FreeBSD: src/usr.bin/id/id.1,v 1.7.2.3 2001/08/16 13:16:50 ru Exp $
37 .\" $DragonFly: src/usr.bin/id/id.1,v 1.2 2003/06/17 04:29:27 dillon Exp $
44 .Nd return user identity
66 utility displays the user and group names and numeric IDs, of the
67 calling process, to the standard output.
68 If the real and effective IDs are different, both are displayed,
69 otherwise only the real ID is displayed.
73 (login name or user ID)
74 is specified, the user and group IDs of that user are displayed.
75 In this case, the real and effective IDs are assumed to be the same.
77 The options are as follows:
78 .Bl -tag -width indent
80 Display the different group IDs (effective, real and supplementary)
81 as white-space separated numbers, in no particular order.
83 Display the id as a password file entry.
85 Display the effective group ID as a number.
87 Display the name of the user or group ID for the
92 options instead of the number.
93 If any of the ID numbers cannot be mapped into names, the number will be
96 Make the output human-readable.
97 If the user name returned by
99 is different from the login name referenced by the user ID, the name
102 is displayed, preceded by the keyword
104 The user ID as a name is displayed, preceded by the keyword
106 If the effective user ID is different from the real user ID, the real user
107 ID is displayed as a name, preceded by the keyword
109 If the effective group ID is different from the real group ID, the real group
110 ID is displayed as a name, preceded by the keyword
112 The list of groups to which the user belongs is then displayed as names,
113 preceded by the keyword
115 Each display is on a separate line.
117 Display the real ID for the
121 options instead of the effective ID.
123 Display the effective user ID as a number.
132 function is expected to conform to
138 command is equivalent to
139 .Dq Nm id Fl Gn Op Ar user .
144 command is equivalent to