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12 April, 20:59

Why "passwd," "chsh," "su," and "sudo" commands need to be set-uid programs?

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  1. 12 April, 21:13
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    The "passwd," "chsh," "su," and "sudo" commands need to be set-uid programs because permission is required to change the password.

    In case the passwd, chsh, su and sudo commands are not setuid programs, then a user (other than theroot user) will not be able to change the password or change a user’s login shell attribute, etc.
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