To provide the old boy learn Linux OPS Shell programming in the fifth chapter of the source code

Source: Internet
Author: User

The fourth chapter is about the shell variable knowledge advanced and practice;

The fifth chapter is about the numerical calculation practice of variables;

The annex includes the source code, please download.

The two chapters should pay attention to the relevant matters when studying:

1. Note the use of punctuation: for example, single quotes, anti-quotes, double quotes, etc.;

2. Note the blank spaces for the spaces you want to leave blank;

3. Attention to the role of special variables;

4. Use of built-in variables;

5. Any use of arithmetic operations.

This article is from the "sky9890" blog, make sure to keep this source http://sky9896.blog.51cto.com/2330653/1943155

To provide the old boy learn Linux OPS Shell programming in the fifth chapter of the source code

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