mkdir patrick; cd patrick
mkdir -p class/{436,445} work/{a1,a2,a3}
cd work
touch a1/survey
man java >a2/java.man
seq 10 >a3/treequestions
mkdir -p ../misc/tests
cd a3
touch ../../note

exit

Q: In work, how can I cd to a3?

Q: In patrick, how can I cd to 445?

Q: In misc, how can I cd to a3?

Q: In 445, how can I cd to patrick?

Q: In work, how can I cat survey, java.man, and treequestions?

Q: In class, how can I cat survey, java.man, and treequestions?

Q: In work, how could I make a file x in tests?

Q: In 436, does 'cd ./class' work?

Q: In a1, does 'cd ../a1/../../work/./a2' work?

Q: In tests, does cat '../.././note' work?