Term
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Definition
| Text enclosed within a pair of blue brackets will indicate the enclosed text (typically commands, arguments, or parameters) and is optional |
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Term
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Definition
| A dollar sign will indicate the command line prompt |
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Term
| Italicized text enclosed in square brackets [Esc] |
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Definition
| indicates a key press of that key |
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Term
A dollar sign followed by text followed by [Enter]
$ ls [Enter] |
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Definition
| indicates the text is intended to be a command followed by a key press of the Enter key. |
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Term
| Text on a line with no dollar sign |
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Definition
| indicates output from the system resulting from the command on the previous line. |
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Term
| the # character followed by text |
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Definition
| This is to be viewed as explanatory comments, not something to type |
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Term
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Definition
| Unix is an Operating System. |
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Term
| Where was the Unix operating system created? |
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Definition
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Term
| What are some of the pros of Unix? |
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Definition
| Flexible, stable, Robust. Multiple users can access and share resources simutaneously |
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Term
| What programming language is Unix written in? |
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Definition
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Term
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Definition
| Your username is assigned to you by a system administrator. |
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Term
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Definition
| your password being initially set by the administrator as well, can be changed by you at a letter time ussing the passwd command. |
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Term
| How can you log off of Unix? |
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Definition
| Press Ctrl d, or type exit |
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Term
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Definition
| Online manual that provides information about interacting with a Unix system |
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Term
| What is the basic navigation through the man pages |
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Definition
[Enter] will move you forward line by line
[F] or Space will move your forward page-by-page
[B] will move you backward page by page
[Q] will allow you to quit from a man page and return to shell |
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Term
| What is the format for commands? |
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Definition
cmd [-options] [arguments]
a command can have no options nor arguments and can stand a lone. |
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Term
| How many options and arguments can a command have? |
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Definition
| A command can have one option and zero arguments, sever options and zero arguments, zero options and one argument, zero options and several arguments, or several options and several arguments, etc. |
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Term
| How many options and arguments does the command $ ls have? |
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Definition
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Term
| How many options and arguments does the command $ ls -l have? |
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Definition
| One option and no arguments |
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Term
| How many arguments and options does the command $ ls -la have? |
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Definition
| 2 options and zero arguments |
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Term
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Definition
| terminate login session to a Linux/Unix shell |
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Term
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Definition
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Term
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Definition
| Establish a secure connection to a remote host |
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Term
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Definition
| establsh an unsecure connection to a remote host |
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Term
| Unix is divided into two main components. What are they? |
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Definition
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Term
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Definition
| is loaded into RAM by the boot loader where it remains memory resident for as long as the machine remains powered on. |
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Term
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Definition
| programs which typically reside on a disk device |
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Term
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Definition
| the mechanism which allows users to enter commands to run other utility programs |
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Term
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Definition
| a methodology for logically organizing and storing large quantities of data such that the system is easy to manage |
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Term
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Definition
| a collection of typically related data, which can be logically viewed as a streem of bytes. A file is the smallest unit of storage in the Unix file system. |
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Term
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Definition
consists of files, relationships to other files, as well as the attributes of each file
for example:
- a file type (i.e. what kind of data is in the file)
- a file name (which may or may not include an extension)
- a physical file size
- a file owner
- file protection/privacy capability
- file time stamp (time and date created/modified)
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Term
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Definition
| special files that may contain other files |
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Term
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Definition
| binaries, this is the directory where many commonly used executable commands reside |
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Term
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Definition
| contains device specific files |
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Term
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Definition
| contains system configuration files |
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Term
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Definition
| contains user directories and files |
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Term
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Definition
| contains all library files |
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Term
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Definition
| contains device files related to mounted devices |
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Term
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Definition
| contains files related to system processes |
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Term
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Definition
| the root users' home directory |
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Term
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Definition
| system binary files reside here |
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Term
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Definition
| storage for temporary files which are periodically removed from the file system |
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Term
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Definition
| also contains executable commands |
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Term
| Emacs and VI(Visual editor) |
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Definition
| The two most popular Unix text editing applications |
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Term
| What is the difference between emacs and VI editor |
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Definition
| VI editor is a non-GUI based tool whereas emacs is available in both GUI and non-GUI modes |
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Term
| How to open a new or existing file using vi |
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Definition
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Term
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Definition
| This command will write your changes and quite the editing session |
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Term
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Definition
| If you do not wish to save any changes since your last write |
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Term
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Definition
| If you have made no changes since the last write |
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Term
| What are the two modes in VI |
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Definition
| Command mode and insert mode |
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Term
| Three ways to insert text in VI |
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Definition
i - inserts text to left of cursor
a - append, inserts text to the right of cursor
o - open a new line, inserts o the line below the cursor |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Moves cursor to the beginning of a line |
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Term
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Definition
| move cursor to end of line |
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Term
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Definition
move to line number n
(3G moves to line 3) |
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Term
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Definition
| move to bottom of document |
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Term
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Definition
| delete a single character |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| deletes n chars, words or lines respectively |
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Term
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Definition
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Term
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Definition
| An instance of a running program |
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Term
| Process Control Block (PCB) |
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Definition
| the structure where proccess attributes are stored. Each individual process with have a PCB associateds with it |
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Term
| What are the process attributes? |
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Definition
| PID, PPID, priority, ownershit, state |
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Term
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Definition
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