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| In Linux, user interfaces are components running atop the ______. |
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| The GUI interface interacts with _ _______ layer, which is a software component that interacts with the kernal. |
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| You can run more than one virtual console at a time and switch between them using ____ + ____ key combinations. |
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| List three common desktop environments. |
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| True or False. You can do everything in the Linux CLI that you can do in the GUI. |
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| A _____ is a command line interface to an operating system. |
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| Most Linux distros use the _____ shell. |
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| The BASH and Korn shell (ksh) use _ for a prompt, and the C shell (csh) and TC shell (tcsh) use _ for a prompt. |
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BASH and ksh use $ prompt.
csh and tsch use % prompt. |
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| BASH commands follow what general format? |
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| command -options arguements |
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| ______ are preceded by a hyphen and are most often a single letter modifier to a command. |
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| ______ are input parameters that specify what resource should be used by a command. |
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| Prints the contents of a file to the screen. |
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| Clears your terminal window but doesn't erase past output. |
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| Prints the current date and time. |
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| Prints whatever text you supply as an argument to the screen. |
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| Closes the current shell. |
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| Prints information about users of the system. |
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| Lists files and directories. |
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| Prints a list of users currently logged on. |
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| Press Ctrl + _ to reverse the last two typed letters automatically. |
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| Describe history command. |
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| Prints command history to screen. |
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| Using !! will _____ the last command. |
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| rerun the last command that begins with the letters "fi". |
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BASH keyboard shortcuts:
Ctrl+b
Ctrl+f
Ctrl+w
Ctrl+u
Ctrl+a
Ctrl+e |
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Definition
Ctrl+b will move cursor one character to left without erasing
Ctrl+f will move cursor one character to right without erasing
Ctrl+w will erase the word to the left of the cursor
Ctrl+u will erase everything to the left of the cursor
Ctrl+a will move cursor to beginning of line
Ctrl+e will move cursor to end of line |
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BASH keyboard shortcut:
Alt+. will... |
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Definition
| reuse the last argument from the previous command. |
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| _____ _____ are references to system information, such as the current shell. |
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| Most shell variables begin with the _. |
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| List three common shell variables. |
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| $GROUPS, $HISTSIZE, $HOSTNAME, $PWD, $RANDOM, $SHELL |
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Describe the following shell metacharacters:
; ()or{} & &∨|| |
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Definition
; command separator
() or {} group two or more commands and treat their output as a unit
& Background execution
&& or || AND an OR operators for working with multiple commands |
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| ______ is the process of sending the output of one command to another command. |
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| _____ is similar to piping, except you send the output to another file or device. |
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| Standard output (STDOUT) is to the _____ / port _. Standard error (STDERR) is the screen / port _. |
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STDOUT is to the screen/port1
STDERR is to the screen/port2 |
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| Create a named pipe with the _____ command. |
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| Use the _ character to redirect STDOUT. |
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| Use the _ character to redirect STDIN. |
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| Using the ___ command sends the output to both the STDOUT and to a specified file. |
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| Define the man pages sections 1-9. |
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1 User level programs and shell commands
2 Linux system calls (kernel functions)
3 Library functions
4 Special files (usually found in /dev)
5 File formats and file conventions
6 Games
7 Miscellaneous entries, including macro packages
8 Programs and commands that only the root user may execute
9 Nonstandard kernel routines |
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