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A Brief History of C++

Nowadays computers are able to perform many different tasks, from simple mathematical operations to sophisticated animated simulations. But the computer does not create these tasks by itself; these are performed following a series of predefined instructions called computer languages. A computer language is a set of instructions and a series …

Basic vi Commands

General Startup To use vi: vi filename To exit vi and save changes: ZZ or :wq or : x To exit vi without saving changes: :q! To enter vi command mode: [esc] Counts A number preceding any vi command tells vi to repeat that command that many times. Cursor Movement …