Answer
1. What is a Shell? (1)
2. Utility Name 3 types of commands written in shell (3)
3. Instruction for displaying the version of the Shell of systems (1)
4. Archive utility. Bash_profile (1)
5. Indicate the function they perform the following letter combinations: (2)
a) Ctrl + c
b) Ctrl + d
6. Indicate the usefulness of the following commands (6)
a) Hostname
b) Uname-a
c) Who
d) Your
e) / usr / sbin / adduser
f) mkdir
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