1 / 26

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

latona
Download Presentation

The UNIX Editors

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    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) 0’s and 1’s 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

    6. 6

More Related