What will be the output of the second pwd command below?

$ pwd

/usr/local/sbin

$ cd ../../sbin

pwd

How would you estimate the number of files in the iTunes.app directory?

The history command displays the history of commands typed at the command prompt.

Now, list all commands in the history that made use of the grep command or filter. Write the command that will do this.

Applications/ iTunes.app/ jones/ smith/ Users/ Desktop/ Desktop/ grades.xls manual bak manual. doc myDoc.doc readme.txt Documents/ essay.doc report.pdf Movies/ Volumes/ bin,/ etc/ usr/ lib/ local/ sbin/ bin/ progl . sbin/ share/