RO Onboarding Shell Commands Part 1

ro-shell-commands.sh

# Window 1
echo 'this is file one' > one.txt 
echo 'this is file two' >> two.txt 
cat one.txt two.txt 
cat > three.txt 
'this is file three' 
^d
echo 'i am adding this to file three' >> three.txt 
echo 'here is an additional line' >> three.txt 
echo 'and another one...' >> three.txt 
cat three.txt | sort 
cat three.txt | wc -l
cat three.txt | sort | head -3 

# Window 2 
three.txt tail -f 
^c
three.txt tail -f | grep 'file' 
three.txt tail -f | grep -v 'file'