This tricks will help you a lot and helps you to extent your keyboard live by saving a few hundredth strokes</p>

we will dive into the bash history secrets and the ! (bang) command:</p>

• !!</strong>
  
  This bang command, when entered into the bash shell will run the previous command. It basically does the same thing as hitting the up arrow and hitting enter.</li>
  </ul>
  • !command</strong>
    
    Ex: !ls
    
    This will run the last command that started with ‘ls’.</li>
    </ul>
    • !command:p</strong>
      
      Ex: !ls:p
      
      This will display the command instead of running it.</li>
      </ul>
      • !$</strong>
        
        Ex: !$ or echo !$
        
        The last word of the previous command. This the same as hitting Esc + . and is mainly useful for substitutions.</li>
        </ul>
        • !$:p</strong>
          
          Instead of running the last word of the previous command this will print it out.</li>
          </ul>
          • !*</strong>
            
            Runs the previous command without the first word.</li>
            </ul>
            • !*:p</strong>
              
              This will print the previous command without the first word.</li>
              </ul>
              • Ctrl + r</strong>
                
                Hit Ctrl + r and start typing, bash will search and show you the last command you rand that satisfies the search text you typed</li>
                </ul>
                • Ctrl + s</strong>
                  
                  Everything you type will not be shown</li>
                  </ul>
                  • Ctrl + q</strong>
                    
                    Inverts the effect of Ctrl + s, now everything is shown</li>
                    </ul>
                    • Ctrl + a</strong>
                      
                      Goes to the beginning of the line</li>
                      </ul>
                      • Ctrl + e</strong>
                        
                        Goes to the end of the line</li>
                        </ul>
                        • Ctrl + w</strong>
                          
                          Deletes the previous word</li>
                          </ul>
                          • Esc + Esc</strong>
                            
                            word compellation, it's the same as hitting tab</li>
                            </ul>
                            • Esc + backspace</strong>
                              
                              Deletes until finding a delimiter, if hitting Esc + backspace on file.txt the .txt will be deleted</li>
                              </ul>

                               </p>

                              What are your favorite command line tricks ?
                              
                              
                              
                              
                              
                              
                              
                               </p>