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How to Force Users to Change Their Passwords on Linux
Passwords are the keystone to account security. Learn how to reset passwords, set password expiration periods, and enforce password changes on your Linux network in this How-To Geek tutorial.
We’ve been proving to computers that we are who we say we are since the mid-1960s, when the password was first introduced. Necessity being the mother of invention, the Compatible Time-Sharing System developed at the Massachusetts Institute of Technology needed a way to identify different people on the system. It also needed to prevent people from seeing each other’s files.
Fernando J. Corbató proposed a scheme that allocated a unique username to each person. To prove someone was who they said they were, they had to use a private, personal password to access their account.