Shell script base 20-for Loop execution command-end article

This article, as the last article in the Shell script Base series, does an exercise here. How to use a For loop to execute a command.

1. Use for loop to execute different commands

2.for loop Plus if statement print file

Put the script file under/etc, then perform a look at the effect, and then change-f in the script to-D and try again.

Conclusion:

The Linux command base and shell Scripting Basics come first, and the shell script needs to practice writing with actual work tasks to improve and more interesting. This is the end of the series, the next series has not yet written about what to write, estimates or return to the topic of testing skills, it may be the app's automated testing.