How can I undo multiple command lines in command window?

2015 2 20
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更新时间：2015 2 20
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Hello Dears,
I'm new to Matlab and I want to know how I delete back couple of lines because Undo Button only delete last line?

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Stephen23
Stephen23 2015-2-20
编辑：Stephen23 2015-2-20

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Just like in most programming languages, in MATLAB one cannot "undo" a command: once an operation has been run, its results will still have occurred regardless of what you do with the command window. The command window is simply a visual record of what has been run. What you can do is either re-run a command OR remove the record:
  • re-run any command by typing it again, or using the up and down keys to select an operation.
  • clear any variables from the workspace.
  • use clc to clear the command window text.

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Abdullah Saleh
Abdullah Saleh 2015-2-20

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Thanks Stephen Cobeldick
Actually the problem that I wanted to write the program in Command Window :D I'm new to MATLAB but later I found that code should be saved in Script.m using editor :)
I appreciate your support

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