I found this
This command is intended to be used in a large system environment
where many accounts are updated at a single time (batch mode). Since
username and passwords are stored in clear text format make sure only
root can read/write the file.
Use chmod command:
# touch /root/batch-user-add.txt
# chmod 0600 /root/batch-user-add.txt
Create a user list as follows. Open file:
# vi /root/batch-user-add.txt
Append username and password:
user1:password:1001:513:Student Account:/home/user1:/bin/bash
user2:password:1002:513:Sales user:/home/user2:/bin/bash
user100:password:1100:513:Sales user:/home/user100:/bin/bash
tom:password:1110:501:Guest Account:/home/guest:/bin/menu
jerry:password:1120:501:Guest Account:/home/guest:/bin/menu
Now create users in batch:
# newusers /root/batch-user-add.txt
On 8/3/09, nate <centos@xxxxxxxxxxxxxxxx> wrote:
> David Leon wrote:
>> I'm trying to avoid typing every password manually. I just need an
>> script that makes the job.
>>
>> useradd creates the account but still need to setup accpunt's password.
>>
>
> from 'man passwd'
>
> --stdin
> This option is used to indicate that passwd should read the
> new password from standard input, which can be a pipe.
>
>
>
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