command-line-basics

Question 1

What is a CLI?

Answer 1

Command-line interface

Question 2

What is a GUI?

Answer 2

Graphical user interface

Question 3

Give at least one use case for each of the commands listed in this exercise.
man
cat
ls
pwd
echo
touch
mkdir
mv
rm
cp

Answer 3

man - when you want to look up a manual for something (ex: man cat (for cat command))
cat - combine (or concatenate) contents of multiple txt files. You can also use this command to view contents of a file
ls - list contents of current working directory
pwd - print the current working directory
echo - print a string to the terminal or write a string to a new file
touch - create a new file, such as a .txt file. Its intended use was to change the timestamp of a file
mkdir - create a new directory
mv - mv is short for ‘move’ and you can move folders (or directories). You can also rename a directory with this command
rm - to delete a file or remove a directory with the -r option
cp - to copy a file, such as a .txt file

Question 4

What are the three virtues of a great programmer?

Answer 4

1. laziness
2. impatience
3. hubris