What is shell script and why it is required?

Related questions

1. What is sleep command?
2. What does do until loop mean?
3. Do while and do until in VBA?
4. How do shell scripts work?
5. How do I put Linux to sleep?
6. What is the use of BC in shell script?
7. How do I stop a Linux script command?
8. What does & mean in bash?
9. Does Python do until?
10. How do you comment in a shell script?

Tags

1. #presented
2. #commands
3. #shell
4. #sequence
5. #script
6. #operating
7. #called
8. #would
9. #combines
10. #contains
11. #based
12. #because
13. #single
14. #otherwise
15. #system
16. #keyboard