open shell script

A Shell script Introduction and First specification shell Script Description 1.1 Shell script Introduction What is 1.1.1 shell?The shell is a command interpreter which is responsible for directly working with the user in the outermost layer of the

I. PrefaceShell programming is widely used in the Unix/linux world, and mastering shell programming is a must for a good unix/linux developer and system administrator. The main task of script debugging is to find out the cause of the script error

Transferred from: http://itlab.idcquan.com/linux/SHELL/727128.htmlThis paper introduces the shell script debugging technology comprehensively and systematically, including using echo, tee, trap and other commands to output key information, tracking

I. Preface Shell programming is widely used in the Unix/linux world, and mastering shell programming is a must for a good unix/linux developer and system administrator. The main task of script debugging is to find out the cause of the script error

Shell is like the editor: everyone has their own choice and tries to defend the choice and tell you why it should be used ). Indeed, shell provides different functions, but they all implement the core concept of development decades ago. I used

Knowledge before learning shell scripts1) Record command historyThe commands we've knocked on, Linux will be recorded, and presets can record 1000 historical commands. These commands are saved in the. bash_history file in the user's home directory.

Shell is like the editor: everyone has their own choice and tries to defend the choice (it also tells you why the choice should be used ). Indeed, s Shell is like the editor: everyone has their own choice and tries to defend the choice (it also

The main following are several ways: Command explanation Fork A new child shell executes, and the child shell can inherit environment variables

Small Q: A person's career success, only%15 is due to his professional skills, the other%85 to rely on his interpersonalRelationship. The technique of the world, soft and hard relative, professional technology is a strong skill, and based on the

Scripting is essential for Linux testing, and the name of the shell script can be arbitrarily defined, and no suffix, such as the name can be written abc,smartzip, as long as the runtime typeThe./smartzip will be able to run the script.Do not use