Write the correct commands for each instruction.

Configuring Shell Show the exact steps needed to modify the .bashrc file using command line (not the VI editor) which would add the following functionality to your shell upon opening a new Terminal: Alias called "fc" (short for "folder contents) invoking the command "ls -lah", before doing so, show how to check if "fc" already exists (at least one method) Welcome message "This is demo number 2" Variable "semester" being equal to "Winter 2019" Also, perform the following: Open a new terminal and display the variable "semester" Add any directory of your choosing to the SPATH variable