A variable is often referred to as a box containing a name and the contents. A simple command, e.g., "echo Hello $Var_Name' will print "Hello...the value of the variable as defined'. Bash will print nothing if the box is empty or not created.
Edtech is supposed to make new forms of personalisation and customisation of education possible. What might the plan to personalise education look like when viewed from the depths of the economic crisis?