Some Prerequisites What is a variable? A variable is a storage location for a value. Linux has environment variables. It can store strings, numbers , etc. just like the variables in C, C++, python, or any other programming language.
        
      
     
  
    
    
    
    
      
      
        
          Some Prerequisites What is a variable? A variable is a storage location for a value. Linux has environment variables. It can store strings, numbers , etc. just like the variables in C, C++, python, or any other programming language.