Linux Commands for Beginners-- Echo And Creating Variables

骑猪看日落 2023-06-30 07:00 36阅读 0赞

**In this part, I introduce the echo command as well as creating variables.  
This tutorial is pretty easy,but very important to bash scripting which I will introduce in following tutorials.  
  
  
[![1136576706-1_x.jpg][]][1136576706-1_x.jpg 1]1.COMMAND:  
 echo  
DESCRIPTION:  
display a line of text  
SYNOPSIS:  
echo string  
  
  
[![1132053406-1_x.jpg][]][1132053406-1_x.jpg 1]Example:  
piniheaven@fish:~/Documents$ echo"Hello,CSDN"  
Hello,CSDN  
  
  
2.Creating variable and calling variable  
  
Example:  
piniheaven@fish:~/Documents$ Hello="Hello,CSDN" \#create variable  
piniheaven@fish:~/Documents$ echo$Hello \#call variable  
Hello,CSDN  
[![1100640506-1_x.jpg][]][1100640506-1_x.jpg 1]**

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