command-line-basics

Question 1

What is a CLI?

Answer 1

Command-line interface

-i.e. GIT

Question 2

What is a GUI?

Answer 2

Graphical user interface

-i.e. browser window

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: user manual, view command instructions
cat: concatenating files, prints the files
ls: list segments, lists what’s in your directory(s)
pwd: print working directory, prints the current directory
echo: “echos” what you type, prints a string to the terminal, adds text to a file
touch: create change or modify the timestamp of a file, create a blank file
mkdir: make new directories
mv: move, moves files and folders, renames files
rm: remove, removes files and directories, permanent command
cp: copy, copies individual files or whole directories

Question 4

What are the three virtues of a great programmer?

Answer 4

laziness, impatience, and hubris