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The UNIX Editors

2. Lesson. The vi Editor. 3. Objectives. Describe an ASCII text fileExplain why operating system editors use ASCII filesCreate and edit simple documents using the vi editor. 4. Understanding UNIX Files. Almost everything you create in UNIX is stored in a fileAll information stored in files is

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The UNIX Editors

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    1. The UNIX Editors

    2. 2 Lesson The vi Editor

    3. 3 Objectives Describe an ASCII text file Explain why operating system editors use ASCII files Create and edit simple documents using the vi editor

    4. 4 Understanding UNIX Files Almost everything you create in UNIX is stored in a file All information stored in files is in the form of binary digits Binary digits are also known as bits Bits have two states: 1 (on) and 0 (off) 0s and 1s as a way to communicate with a computer is known as machine language

    5. 5 Understanding UNIX Files Machine language (or bit combinations) is translated into plain English using ASCII ASCII stands for American Standard Code for Information Interchange ASCII uses a byte (a string of 8 bits) to represent keyboard characters such as letters and numbers Text files contain printable, ASCII characters Binary files contain nonprintable characters, or machine language

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