| A. | Removes a directory |
| B. | Shows a list of files under the current directory. |
| C. | Sends Internet Control Message Protocol (ICMP) Echo Request messages to a target computer to test IP-level connectivity |
| D. | Copies a file from the source to the target |
| E. | Prints network related information, such as network connections, routing tables, interface statistics, masquerade connections, and multicast memberships |
| F. | Organizes each line of a file alphabetically or numerically (n). |
| G. | Feeds output from a command to a specified file |
| H. | Clears all other previous operations from the terminal screen. |
| I. | Directs output from one command as input for a following command |
| J. | Remvoes a byte (-b), character (-c), or range of either from each line of a file. A delimiter can also be applied (-d). |
| K. | Prints select information about the current system |
| L. | Prints a line of text |
| M. | Finds files by name |
| N. | Prints information about currently running processes |
| O. | Brings you to a new window that allows you to view the contents of a file and has certain commands that help you navigate through the file easily. |
| P. | A text editor that allows you to create, write, and edit files in the Linux terminal |
| Q. | Configures or prints network interface parameters |
| R. | Prints the contents of a file onto the terminal window |
| S. | Downloads files from the Web |
| T. | Gives you the manuscript or help of Linux commands |
| U. | Network diagnostic tool for displaying the route that packets take to a network host |
| V. | Prints the username associated with the current user ID |
| W. | Prints name of current directory |
| X. | Performs DNS lookups |
| Y. | Creates a directory under the current directory. |
| Z. | Removes a file |
| AA. | Changes directory |