This lesson has given you the basic skills to work within the Unix file system. If you have any problems with this material, please practice it before moving to the next lesson. The following is a review of some of this lesson's specifics:
Unix is case sensitive. Pay careful attention to case, especially if you're transferring files between a Unix machine and a personal computer.
Unix files have three attributes: read, write, and execute. You can use these attributes to control access to a file.
The pwd command tells you where you are.
The ls command tells you what files are in a directory.
The cd command takes you to different locations based on where you want to go.
The pushd command remembers where you were, and the popd command takes you ...