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In ubuntu , we have three basic ways of clearing the terminal . way 1 -  use clear command . steps - 1) open terminal             2) type ls and press ENTER.            3)type clear and press ENTER. observation - clear command clears the terminal window .                                                                                                                                                                                             ...

touch command in unix operating systems is used to create empty file . 1) open terminal and write the following. 2) use ls command to see whether a blank file name 123.txt is created .                                                                                                                                                     hopefully we have created a blank file named 123.txt. follow our newsletter.