Two, Bash basic functions

First, the command history and command completion

  1.1 Command history

    

       

 

   1.2 call command history

    

  1.3 tab key completion

 

 

Second, the commonly used shortcuts and command aliases

  2.1 Command Aliases

    

 

  2.2 Command execution order

    

 

  2.3 make permanent aliases

    

 

  

  2.4 Delete alias

    

 

  2.5Bash commonly used shortcut keys

    

 

Third, the input and output redirection

  3.1 Standard Input Output

    

 

  3.2 output redirection

    

    

     3.3 input redirection

     

    

 

 

Fourth, the multi-character command sequence execution with the conduit

  1, multi-command execution order

    

 

    Case 1:

      

 

    Case 2:

      

 

 

  2. pipe symbol

    

    Case:

      

     

       GrpE

      

 

Five wildcard and other special symbols

  1, Tsuhaifu

  

 

  2.Bash other special symbols

  

 

   The difference between single and double quotes are: Case 1

    

 

  Case 2: Anti quotes and $ ()

    

 

 

      

 

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Origin www.cnblogs.com/healy/p/11526389.html