Ruby Intro/Commands (I)

Question 1

at the command line, check to see which version of Ruby you have

Answer 1

ruby -v

Question 2

at the command line, check to see which version of gems you have

Answer 2

gem -v

Question 3

enter irb at the command line

Answer 3

irb

Question 4

exit irb, go back to the command line

Answer 4

exit

Question 5

create a new ruby file

Answer 5

touch _______.rb

(name of file)

Question 6

run the code in a ruby file

Answer 6

ruby _______.rb

(name of file)

Question 7

escape from a long-running program/frozen program/infinite loop

Answer 7

control-c

Question 8

install a gem

Answer 8

gem install _________

(name of gem)