What character would you use if you wanted to run two commands, one right after the
other, on a single command line?
What other two characters allow more than one command to be run on a single
& and | (the pipe character)
How can you continue a command onto the next line?
type \ immediately before hitting Enter
What does the
dirs command do?
prints the current directory stack
If you wanted to go to the root directory, but wanted to get back to where you were easily,
what would you enter at the command line?
If you used the command above, what would you type at the command line to get back to the
What is special about a global variable?
you can use it in any subshell of the shell in which it was created.
What are the limitations of a local variable?
you can only use it in the shell in which it was created
What would you type at the command line to create the local variable
foo and assign it the value "FOO"?
What would you type at the command line to create the global variable
bar and assign it the value "BAR"?