Basic Linux Shell knowledge

Article title: basic knowledge about Linux operating system Shell. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

◆ Basic Shell knowledge

1. cat/etc/shells

View the available shell on the computer

2. write a shell and save it as firstscript.

 

#! /Bin/bash

# This is a test.

Echo-n Your current directory is:

Pwd

Echo $ HOME

Echo Your current directory is:

Pwd

# END.

3. run firstscript

$/Bin/bash firstscript

If the file cannot be found, use pwd to view the current directory.

$/Bin/bash pwd/firstscript

The current running result is displayed.

4. you can modify firstscript to execute

$ Chmod a + x firstscript

Enter $./firstscript.

The above shell is not exchanged, so we can interact as follows:

 

[1] [2] Next page