ACM-W linux workshop

How do you change to the parent directory

• cd prev

• cd .

• cd ..

• cd ~

What does the flag -a do for ls?

• Shows the file permission

• Shows all executables

• Shows all files

• Shows file in human readable format

How do you print the contents of a file in reverse?

Which of the following successfully redirects Hello World to the file hello.txt?

• echo "Hello World" > hello.txt

• echo "Hello World" < hello.txt

• echo "Hello World" | hello.txt

• hello.txt > echo "Hello World"

How do you save your changes and exit vim?

• :w

• :q

• :pq

• :wq

Which of the following options for grep makes the search ignore casing (case insensitive)?

• -i

• -a

• -b

• -e

How do you read the manual for the command cowsay

Everything in linux is a ____