Bash

bash variables

In bash, you can assign a value to a variable as simply as:

variable_name=variable_value


Note: If you assign a new value to a variable that you have used before, it will

overwrite your previous value. 

e.g.

a=100

b='hello, world'
c=true
d=0.75


You can refer to any of these variables by typing a $ sign and the variable name itself. 

e.g:

echo $a 

Prints 100.

 

echo $b
Prints hello, world


echo $c 

Prints true


echo $d 

Prints 0.75