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Full Discussion: Creating User Accounts from a list in file
Top Forums Shell Programming and Scripting Creating User Accounts from a list in file Post 93675 by mahendramahendr on Wednesday 21st of December 2005 08:58:03 AM
Old 12-21-2005
I'm not good at linux, may be you can try below stuff

cat users.txt | \
while read userid
do
useradd $userid
done


i hope useradd is not an interactive program. But passwd program needs to be invoked for each and every user to assign password or the users can change their password on first longin.. but not sure whether we have a better solution.
 

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LEARN ABOUT REDHAT

newusers

NEWUSERS(8)						      System Manager's Manual						       NEWUSERS(8)

NAME

       newusers - update and create new users in batch

SYNOPSIS

       newusers [new_users]

DESCRIPTION

       newusers  reads a file of user name and cleartext password pairs and uses this information to update a group of existing users or to create
       new users.  Each line is in the same format as the standard password file (see passwd(5)) with the following exceptions.

       pw_passwd This field will be encrypted and used as the new value of the encrypted password.

       pw_age	 This field will be ignored for shadow passwords if the user already exists.

       pw_gid	 This field may be the name of an existing group, in which case the named user will be added  as  a  member.   If  a  non-existent
		 numerical group is given, a new group will be created having this number.

       pw_dir	 This  field  will  be	checked for existence as a directory and a new directory with the same name will be created if it does not
		 already exist.  The ownership of the directory will be set to be that of the user being created or updated.

       This command is intended to be used in a large system environment where many accounts are updated at a single time.

CAVEATS

       The input file must be protected since it contains unencrypted passwords.

SEE ALSO

       passwd(1), useradd(8)

AUTHOR

       Julianne Frances Haugh (jockgrrl@ix.netcom.com)

																       NEWUSERS(8)
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