1PASSWD(5)                     File Formats Manual                    PASSWD(5)
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NAME

6       passwd - password file
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DESCRIPTION

9       Passwd contains for each user the following information:
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11       name (login name, contains no upper case)
12       encrypted password
13       numerical user ID
14       numerical group ID
15       GCOS job number, box number, optional GCOS user-id
16       initial working directory
17       program to use as Shell
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19       This  is  an  ASCII file.  Each field within each user's entry is sepa‐
20       rated from the next by a colon.  The GCOS field is used only when  com‐
21       municating with that system, and in other installations can contain any
22       desired information.  Each user is separated from the next  by  a  new-
23       line.   If  the password field is null, no password is demanded; if the
24       Shell field is null, the Shell itself is used.
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26       This file resides in directory /etc.  Because of  the  encrypted  pass‐
27       words,  it  can  and does have general read permission and can be used,
28       for example, to map numerical user ID's to names.
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FILES

31       /etc/passwd
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SEE ALSO

34       getpwent(3), login(1), crypt(3), passwd(1), group(5)
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