Advantages of PAM
Pluggable Authentication Modules (PAM) is a way of allowing the system administrator to set an authentication policy without having to recompile authentication programs. With PAM, you control how particular authentication modules are plugged into a program by editing that program’s PAM configuration file in /etc/pam.d
When used correctly, PAM provides many advantages for a system administrator, such as the following:
*A common authentication scheme that can be used with a wide variety of applications.
*PAM can be implemented with various applications without having to recompile the applications to specifically support PAM.
*Great flexibility and control over authentication for the administrator and application developer.
*Application developers do not need to develop their program to use a particular authentication scheme. Instead, they can focus purely on the details of their program.
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