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1.1 ! root 1: .pa 1 ! 2: .he 'LOGIN (I)'3/15/72'LOGIN (I)' ! 3: .ti 0 ! 4: NAME login -- sign onto UNIX ! 5: .sp ! 6: .ti 0 ! 7: SYNOPSIS login_____ [ username [ password ] ] ! 8: .sp ! 9: .ti 0 ! 10: DESCRIPTION The login_____ 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 login_____ (VII) for how to dial up initially. ! 17: ! 18: If login_____ is invoked without an argument, ! 19: it will ask for a user name, and, if ! 20: appropriate, a password. ! 21: Echoing is turned off (if possible) during the typing of the password, ! 22: so it will not appear on the written record of the ! 23: session. ! 24: .sp ! 25: After a successful login, ! 26: accounting files are updated and ! 27: the user is informed of the ! 28: existence of mailbox ! 29: and message-of-the-day files. ! 30: ! 31: Login is recognized by the Shell ! 32: and executed directly (without forking). ! 33: .sp ! 34: .ti 0 ! 35: FILES /tmp/utmp accounting ! 36: .br ! 37: /tmp/wtmp accounting ! 38: .br ! 39: mailbox mail ! 40: .br ! 41: /etc/motd message-of-the-day ! 42: /etc/passwd password file ! 43: .sp ! 44: .ti 0 ! 45: SEE ALSO login(VII), init(VII), getty(VII), mail(I) ! 46: .sp ! 47: .ti 0 ! 48: DIAGNOSTICS "login incorrect", ! 49: if the name or the password is bad. ! 50: "No Shell,", "cannot open password file," "no directory:" ! 51: consult a UNIX programming councilor. ! 52: .sp ! 53: .ti 0 ! 54: BUGS --
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