Changes

#Issue the following command: <span style="color:blue;font-weight:bold">man man</span><br>How many volume numbers are contains in the man pages?(like '''executable commands/programs''', '''games''', or '''system administrator commands''')?<br><br>

# Issue the following pipeline command: <span style="color:blue;font-weight:bold">man -k copy | grep 8</span><br>What was the purpose of issuing the pipeline command displayed above?<br><br>

# If you wish to change your password, you can change it by issuing the command: <span style="color:blue;font-weight:bold">passwd</span><br>What option for the passwd command can be used to change user info (such as name)? Hint: use the manpages for the passwd command.<br>'''NOTE:''' You are NOT required to change your password for this tutorial.<br><br>