Command Line Index

Question 0

$ hostname

iq.home

Answer 0

Prints out to the screen the name of the computer.

Question 1

$ pwd

/User/SwirlingBlackHoleOfChaos

Answer 1

Print working directory

Question 2

$ mkdir temp

Answer 2

Creates new directory (make directory), in this case a directory called temp.

Question 3

$ mkdir “I Have Fun”

Answer 3

Creates a directory with spaces in the name.

Question 4

$ cd temp

Answer 4

Change directory, in the example to a directory called temp. $ cd . . Means to move to parent directory.

Question 5

$ ls

Answer 5

Lists out the content of the directory you are currently in. There are several options i.e. ls -lR which give long description and recursively list sub directories.

Question 6

$ rmdir temp

Answer 6

Remove directory

Question 7

$ pushd my/current/directory

Answer 7

pushd take the current directory on pushes it on a list then change to the new directory (the one in the parameter “mycurrent/directory” )

Question 8

$ popd

Answer 8

popd takes the last directory pushed on the list and “pops” it off, then moves you in to the directory just popped off the list.

Question 9

$ pushd

Answer 9

pushd with no parameters will move you from your current directory into the last directory pushed onto the the list. It’s an easy way to switch between two directories.

Question 10

$ mkdir -p a/new/directory

Answer 10

mkdir -p will create a new directory, if the directories in the path do not exist mkdir -p will create them.