Unix System Administration Shell Programming Modifying & Deleting Users

Given the input file active_cs.txt with the following layout generate an output file, modified_users.txt, that will contain the series of commands that would need to be executed to perform the following modifications:

Username:Full Name:StudentIDNum:Advisor Name

• Name Changes
  May include both username and GECOS field modifications

• Major Changes
  May include changing to or from Computer Science major and should result in appropriate placement of home directory.

  Deleting Users

  Write a single command that would be used to delete user from the system including removing his/her home directory. Demonstrate this using a sample student named old user that has a home directory among the nonmajors.