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In Linux and Unix CTRL+D is used to _______.
- a)Cancel the currently running command
- b)Turn all output stopped on the screen back on (XON)
- c)Erase the completed line
- d)Closes the command line shell
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
In Linux and Unix CTRL+D is used to _______.a)Cancel the currently ru...
CTRL + D closes the command line shell. This sends an EOF (End of file) marker to the shell, and the shell exits when it receives this marker. This is similar to running the exit command.
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In Linux and Unix CTRL+D is used to _______.a)Cancel the currently ru...
Explanation:
In Linux and Unix, the CTRL D key combination is used to close the command line shell. Let's break down this answer into the following sections:
1. Shortcut Key Combination:
- CTRL D refers to the combination of holding down the Control key (CTRL) on the keyboard and pressing the letter D simultaneously.
2. Closing the Command Line Shell:
- When you are working in a command line shell, such as the Terminal in Linux or Unix, the shell provides an interactive interface for executing commands and receiving their output.
- Pressing CTRL D signals to the shell that you are done with your current session and want to close it.
- This action terminates the shell process and returns you to the previous environment or to the login screen.
3. Alternatives and Effects:
- It's important to note that pressing CTRL D does not cancel the currently running command (option A).
- Similarly, it does not turn all output stopped on the screen back on (XON) (option B).
- It also does not erase the completed line (option C).
- Instead, pressing CTRL D is specifically used to close the command line shell (option D).
Conclusion:
In summary, in Linux and Unix, pressing CTRL D is used to close the command line shell. It is a shortcut key combination that terminates the shell process and returns you to the previous environment or login screen.
In Linux and Unix, the CTRL D key combination is used to close the command line shell. Let's break down this answer into the following sections:
1. Shortcut Key Combination:
- CTRL D refers to the combination of holding down the Control key (CTRL) on the keyboard and pressing the letter D simultaneously.
2. Closing the Command Line Shell:
- When you are working in a command line shell, such as the Terminal in Linux or Unix, the shell provides an interactive interface for executing commands and receiving their output.
- Pressing CTRL D signals to the shell that you are done with your current session and want to close it.
- This action terminates the shell process and returns you to the previous environment or to the login screen.
3. Alternatives and Effects:
- It's important to note that pressing CTRL D does not cancel the currently running command (option A).
- Similarly, it does not turn all output stopped on the screen back on (XON) (option B).
- It also does not erase the completed line (option C).
- Instead, pressing CTRL D is specifically used to close the command line shell (option D).
Conclusion:
In summary, in Linux and Unix, pressing CTRL D is used to close the command line shell. It is a shortcut key combination that terminates the shell process and returns you to the previous environment or login screen.
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In Linux and Unix CTRL+D is used to _______.a)Cancel the currently running commandb)Turn all output stopped on the screen back on (XON)c)Erase the completed lined)Closes the command line shellCorrect answer is option 'D'. Can you explain this answer?
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