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Thread: I found this amazing things from one forum; i want to share it

  1. #1
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    I found this amazing things from one forum; i want to share it

    Linux supports a special password protection technique by maintaining a shadow password file. A Shadow password file is a special version of password files that only root can read.
    The password information is left out of the password file. You can determine weather the system users shadow password file by checking the password file. Type the following command on the command prompt.

    # more /etc/passwd

    It will display the content of the password file. Each line in the file represents information about a particular user. A colon ( separates each information in a line. The second field is for password. If the password exists in the file then shadow password technique is not used by the system.

    The shadow password technique can be implemented by converting the password file. You can do this by using the pwconv command. Log in as root and enter pwconv command at the prompt. It will not display any message, but when the shell prompt returns, your system will have a /etc/shadow file and /etc/passwd file encrypted password data is replaced with an x. The password data is now moved to /etc/shadow.

  2. #2
    Driver Terrier NooNoo's Avatar
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    Daemon... is it so amazing?
    Never, ever approach a computer saying or even thinking "I will just do this quickly."

  3. #3
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    Jun 2001
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    Noo, it's pretty much commonplace for a linux distribution to use shadow passwords now. I just looked in a copy of Red Had Administrators Guide from 2000 and it was talked about back then. My install of VidaLinux has shadow passwords in use by default.

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