POS 420 Complete Week 1 To purchase this material click below link Week-1 For more classes visit POS 420 Week 1 DQ 1 Complete the UNIX® commands table found on the material tab and add at least five more commands not on the list. POS 420 Week 1 DQ 2 What are the pros and cons of using open-source software in the business environment. Provide at least one example for each position. POS 420 Week 1 DQ 3 Why would there be so many different varieties of UNIX® and Linux® that appear to do basically the same things? POS 420 Week 1 DQ 4 Why shells are important within the UNIX® environment? Which elements of the shell make it important in the UNIX® environment?