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Armstrong was a musician of world stature.

The groups the user is member of define what activities the user can perform.

In distributed systems, different types of failure can occur.

books that store phone numbers and addresses.

Pacman is a package management utility that tracks installed packages on a Linux system.

Node-dev is a development tool for Node.

秋水时至，百川灌河；泾流之大，两涘渚崖之间，不辩 (1) 牛马。