PASSWD(V) 9/10/73 PASSWD(V)
NAME
passwd - password file
DESCRIPTION
Passwd contains for each user the following information:
name (login name, contains no upper case)
encrypted password
numerical user ID
numerical group ID (for now, always 1)
GCOS job number, box number, optional GCOS user-id
initial working directory
program to use as Shell
This is an ASCII file. Each field within each user's entry
is separated from the next by a colon. The GCOS field is
used only when communicating with that system, and in other
installations can contain any desired information. Each us-
er is separated from the next by a new-line. If the pass-
word field is null, no password is demanded; if the Shell
field is null, the Shell itself is used.
This file resides in directory /etc. Because of the en-
crypted passwords, it can and does have general read permis-
sion and can be used, for example, to map numerical user
ID's to names.
FILES
/etc/passwd
SEE ALSO
login(I), crypt(III), passwd(I), group(V)
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