Declaring Variables with Attributes

Let's find out how declare command sets attributes for new variables.

Here are several examples of how to declare variables with attributes. First, let’s compare integer and string variables. We execute the following two commands in the terminal:

declare -i sum=11+2
text=11+2

Run the commands discussed in this lesson in the terminal below.

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Introduction

Origins of the OS

Operating Systems

Application

Bash Shell

File System

Command Information

Files and Directories

Bash Extra Features

Scripts Features

Variables and Parameters

Conditional Statements

Arithmetic Expressions and Operations

Bitwise Operations

Logical Operations and Increments

Loop Operators

Functions

Package Manager

Conclusion

Bash Programming from Scratch

Bash Scripts Tools

APPENDIX

Declaring Variables with Attributes