Exam 1: The Essence of Unix and Linux

UNIX and Linux are ____ systems,which allow one user to execute more than one program at a time.

What is a peer-to-peer network?

A ____ is used to refer to the user's home directory.

Most shells keep a list of your recently used commands and allow you to recall a command without retyping it.

Match each item with a statement below. -name that identifies a grouping of computer resources on a network

What is the who command used for? Why is this command important in a multiuser system?

In a peer-to-peer network,the system administrator secures all the information on the network by securing the server.

In the Linux Bash shell,the ____ key combination moves the cursor to the position just before the first character of the next word.

List the general steps used to access a UNIX-Linux host via Telnet.

The system administrator is also called the ____________________,because the system administrator has unlimited permission to alter the system.

The ____ is the prompt symbol traditionally associated with ordinary users.

You can use the ____ command to show the system calendar.

To log out of UNIX-Linux (Bourne,Korn,or Bash shells)you can enter exit on the command line or press ____.

In the Linux Bash shell,the ____ key combination moves the cursor to the previous letter.

Currently,the ____ project,a joint effort of experts from industry,academia,and government,is working to standardize UNIX.

Define command line history and describe its usage.

You can switch from one shell to another by typing the shell's name on the command line.

To append output to an existing file,you use ____.

What is output redirection? How is it performed in UNIX-Linux?

Match each item with a statement below. -provides multiuser access to network resources