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1.1 root 1: .th LOGIN I 3/15/72
2: .sh NAME
3: login \*- sign onto UNIX
4: .sh SYNOPSIS
5: .bd login
6: [ username ]
7: .sh DESCRIPTION
8: The
9: .it login
10: command
11: is used when a user initially
12: signs onto UNIX, or it may be used at any time to change
13: from one user to another.
14: The latter case is the one summarized above and
15: described here.
16: See `How to Get Started' for how to dial up initially.
17: .s3
18: If
19: .it login
20: is invoked without an argument,
21: it will ask for a user name, and, if
22: appropriate, a password.
23: Echoing is turned off (if possible) during the typing of the password,
24: so it will not appear on the written record of the
25: session.
26: .s3
27: After a successful login,
28: accounting files are updated and
29: the user is informed of the
30: existence of
31: .it mailbox
32: and message-of-the-day files.
33: .s3
34: Login is recognized by the Shell
35: and executed directly (without forking).
36: .sh FILES
37: /tmp/utmp accounting
38: .br
39: /tmp/wtmp accounting
40: .br
41: mailbox mail
42: .br
43: /etc/motd message-of-the-day
44: .br
45: /etc/passwd password file
46: .sh "SEE ALSO"
47: init(VII), getty(VII), mail(I)
48: .sh DIAGNOSTICS
49: `login incorrect,'
50: if the name or the password is bad.
51: `No Shell,', `cannot open password file,' `no directory':
52: consult a UNIX programming councilor.
53: .sh BUGS
54: If the first login is unsuccessful,
55: it tends to go into a state where it won't accept
56: a correct login.
57: Hit EOT and try again.
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