shell script variables – Learn how variables in shell scripting | unix shell scripting tutorial

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in the last lecture we have seen shell scripting basics where we have covered what is shell scripting shell prompt shell types(. the various dialects of shell scripts are considered to be scripting languages..
to define a variable in a shell script you simply assign a value to it using the “variable_name=value” syntax.
variables in shell scripting are used to store values that can be used later in the script. what are the different types of variables used in shell script?.
what is variable in shell script?. how to use variables in shell scripting | shell scripting tutorial for beginners. in this tutorial we have covered all about shell variables in unix shell scripting variable types defining variables accessing variable values read-only variables unsetting variables with some simple examples.
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hackersploit here back again with another video in this series we will be looking at how to create shell scripts.. shell scripting variable – explained | variable in bash/shell – complete tutorial. the various dialects of shell scripts are considered to be scripting languages. special variables shell scripting tutorial for beginners.
shell scripting variable – explained | variable in bash/shell – complete tutorial
So, what exactly are variables in shell scripting? Well, variables are placeholders used to store data temporarily. They enable us to assign values to a name and retrieve or manipulate those values throughout our script. shell script variables – variables in shell scripting | lecture #9 | unix shell scripting tutorial
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In shell scripting, variables have a dollar sign ($) prefix when used, and they can hold various types of data, such as strings, numbers, or even the output of commands. Variable Declaration and Assignment:

Declaring variables using the syntax: variable_name=value.
Rules for naming variables.
Assigning values to variables.
Accessing Variable Values:

Using the $ prefix to access variable values.
Displaying variable values with echo command.
Quoting and escaping in variable usage.
Variable Types and Data Manipulation:

Understanding string variables.
Numeric variables and arithmetic operations.
Concatenating strings and combining variables.
Environment Variables:

Accessing system-defined environment variables.
Setting and modifying environment variables.
Using environment variables for configuration.
Variable Scope:

Understanding local and global variables.
Scoping rules within functions.
Modifying global variables within functions.
Special Variables:

Predefined variables like $0, $1, etc.
Command-line arguments and options.
Using special variables in script logic. Variables in shell scripting – linux / unix || linux shell scripting || varaibles in linux / unix.
Variables in shell scripting are used to store values that can be used later in the script.
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