#the echo command outputs the result of what it receive as input
echo "hello bro!"
> hello bro!
#this output can be a command be the result of a command, for example 'pwd' to output the Present Working Directory
echo $(pwd)
> /path/to/the/present/working/directory
#this could be useful to log stuff in a document, using '>' or '>>' : hereafter, the commands add the pwd to a document
echo $(pwd) >> ~/logs/logingmypwd
#it can also have colors!! using the -e option and colors codes
echo -e "\e[0;32mHello This Text is Green!![0mBut This Text Isn't"