Section1 03-What is an operating system

07 minutes13 seconds

Section2 04-Mainstream operating systems in different fields-01-Desktop operating systems

04 minutes32 seconds

Section3 05-Mainstream operating systems in different fields-02-Server operating systems

06 minutes25 seconds

Section4 06-Mainstream operating systems in different fields-03-Embedded operating systems

02 minutes53 seconds

Section5 07-Introduction to virtual machines

05 minutes02 seconds

Section6 08-A brief history of operating system development

13 minutes26 seconds

Section7 09-Linux kernel version and distribution version

07 minutes48 seconds

Section8 10-File directory structure under Linux system

07 minutes59 seconds

Section9 11-Ubuntu system directory structure demonstration and introduction

08 minutes35 seconds

Section10 12-Basic use of Ubuntu graphical interface

11 minutes44 seconds

Section1 13-Linux Command-01-Clear Learning Goals

05 minutes16 seconds

Section2 14-Linux Command-02-Enlarge or reduce the font of the terminal window

03 minutes00 seconds

Section3 15-Linux Command-03-Clear the operating effects of 6 common terminal commands

05 minutes33 seconds

Section4 16-Linux commands-04-6 simple drills on common terminal commands

11 minutes19 seconds

Section5 17-Linux Command-05-Terminal Command Format

07 minutes59 seconds

Section6 18-Linux Command-06-View terminal command help information

10 minutes30 seconds

Section1 19-File and directory commands-01-Clear command classification and learning objectives

01 minutes28 seconds

Section2 20-File and directory commands-02-Sharing auto-completion and command selection skills

07 minutes10 seconds

Section3 21-File and directory commands-03-View hidden files and return to the previous directory

10 minutes39 seconds

Section4 22-File and Directory Commands-04-Listing and File Size Options for ls

11 minutes17 seconds

Section5 23-File and directory commands-05-Combined use of ls and wildcards

08 minutes30 seconds

Section6 24-File and directory commands-06-Wildcard character group

02 minutes47 seconds

Section7 25-File and directory commands-07-Common parameters of cd command

08 minutes01 seconds

Section8 26-File and directory commands-08-Relative paths and absolute paths

04 minutes58 seconds

Section1 09-Extensions to touch and mkdir commands

06 minutes03 seconds

Section2 10-Extensions to the rm command

06 minutes19 seconds

Section3 11-Goal determination and graphical interface demonstration

02 minutes20 seconds

Section4 12-tree View the directory structure in a tree diagram

05 minutes36 seconds

Section5 cp command to copy files

05 minutes35 seconds

Section6 cp command -i option prompt before overwriting

04 minutes55 seconds

Section7 cp command -r option to copy directory

03 minutes04 seconds

Section8 mv command moves files or directories

04 minutes00 seconds

Section9 mv command to rename files or directories

07 minutes35 seconds

Section10 Basic usage and comparison of cat and more

07 minutes18 seconds

Section11 The -b and -n options of the cat command output line numbers

03 minutes41 seconds

Section12 grep to find file contents

07 minutes30 seconds

Section13 grep pattern search at the beginning/end of the line

05 minutes14 seconds

Section14 echo and redirection

09 minutes45 seconds

Section15 The concept and basic use of pipelines

06 minutes03 seconds

Section1 Shut down and restart

04 minutes48 seconds

Section2 The concept of network card and IP address

08 minutes38 seconds

Section3 Introduction to the functions of ifconfig and ping

02 minutes44 seconds

Section4 ifconfig queries network card information

05 minutes41 seconds

Section5 ping test network connection

07 minutes58 seconds

Section6 An introduction to how SSH works

04 minutes38 seconds

Section7 The concept of domain name and port number

09 minutes52 seconds

Section8 Introduction to ssh command format and determination of drill goals

04 minutes00 seconds

Section9 Mac computer uses ssh to connect to ubuntu

06 minutes40 seconds

Section10 PuTTY installation and exit login

03 minutes54 seconds

Section11 Installation of XShell - free and setting language

04 minutes31 seconds

Section12 scp function and command format

06 minutes13 seconds

Section13 Demo of scp in Mac terminal

07 minutes20 seconds

Section14 FileZilla file transfer under Windows

05 minutes37 seconds

Section15 Determine the target/understand the .ssh directory

07 minutes45 seconds

Section16 Password-free login setup steps

09 minutes18 seconds

Section17 How password-free login works

03 minutes53 seconds

Section18 Configure an alias for a remote computer

08 minutes41 seconds

Section1 learning target

01 minutes13 seconds

Section2 Basic concepts of users/permissions/groups

02 minutes59 seconds

Section3 Introduction to ls -l output information

06 minutes03 seconds

Section4 Extension of the meaning of ls -l hard link number

07 minutes41 seconds

Section5 chmod changes file permissions

09 minutes33 seconds

Section6 chmod changes directory permissions

05 minutes58 seconds

Section7 Super user introduction

03 minutes59 seconds

Section1 Add group/delete group/confirm group information

06 minutes35 seconds

Section2 Group exercise goals determined

02 minutes26 seconds

Section3 Walkthrough for chgrp to modify the group to which a directory belongs

05 minutes41 seconds

Section1 Create new users useradd and passwd

10 minutes50 seconds

Section2 The role of the m option and deleting user userdel

06 minutes52 seconds

Section3 id view UID and GID and introduction to passwd file

09 minutes57 seconds

Section4 who和whoami

03 minutes27 seconds

Section5 usermod sets primary and additional groups

11 minutes42 seconds

Section6 usermod specifies user login shell

07 minutes21 seconds

Section7 which view command location

06 minutes48 seconds

Section8 su switches users

09 minutes10 seconds

Section9 Introduction to permission commands and walkthrough of chown/chgrp

05 minutes32 seconds

Section10 Introduction to numerical representation of chmod

07 minutes18 seconds

Section11 chmod walkthrough -R recursively changes directory permissions

06 minutes23 seconds

Section1 learning target

01 minutes21 seconds

Section2 Date and cal check system time

01 minutes35 seconds

Section3 df and du check disk and directory space usage

04 minutes53 seconds

Section4 Introduction to process concept

04 minutes38 seconds

Section5 Basic use of ps command

07 minutes24 seconds

Section6 Basic usage of top command

03 minutes13 seconds

Section7 Basic usage of kill command

06 minutes29 seconds

Section1 Learning objectives and basic use of find command

07 minutes14 seconds

Section2 Introduction to the concept of file soft links

02 minutes37 seconds

Section3 Determination of drill steps for file soft links

02 minutes43 seconds

Section4 Walkthrough implementation of file soft links

10 minutes03 seconds

Section5 File hard link walkthrough

06 minutes57 seconds

Section6 Introduction to how file soft and hard links work

04 minutes45 seconds

Section1 Introduction to tar package and command format introduction

04 minutes04 seconds

Section2 Packing and unpacking walkthrough

06 minutes42 seconds

Section3 Introduction and walkthrough of gzip compression and decompression

07 minutes54 seconds

Section4 Introduction and walkthrough of bzip2 compression and decompression

09 minutes36 seconds

Section1 Introduction to apt and command format introduction

03 minutes19 seconds

Section2 apt software installation walkthrough

03 minutes49 seconds

Section3 Set up software source

06 minutes48 seconds

Section1 The purpose of learning vi

01 minutes49 seconds

Section2 vi and vim and the characteristics of vi

06 minutes47 seconds

Section3 Open or create a new file

05 minutes16 seconds

Section4 Open the file and define the specified line

04 minutes55 seconds

Section5 Delete swap file

04 minutes40 seconds

Section6 Responsibilities and switching methods

06 minutes41 seconds

Section7 Work mode switching drill

07 minutes45 seconds

Section8 Learning roadmap

04 minutes47 seconds

Section9 Direction and intraline movement

05 minutes41 seconds

Section10 Line jump and page up and down

06 minutes01 seconds

Section11 Paragraph switching and bracket switching

04 minutes14 seconds

Section12 Use markers to return to previously edited code locations

04 minutes21 seconds

Section13 Three ways to select text

06 minutes15 seconds

Section14 Introduction to undo and redo commands

02 minutes01 seconds

Section15 Delete command walkthrough

07 minutes00 seconds

Section16 Undo and Undo

01 minutes26 seconds

Section17 Copy and paste walkthrough

03 minutes41 seconds

Section18 The contents of the system clipboard cannot be pasted using p

07 minutes48 seconds

Section19 Replace command

03 minutes31 seconds

Section20 Indentation and repetition

05 minutes20 seconds

Section21 Find a string or word

05 minutes39 seconds

Section22 Global replacement

02 minutes45 seconds

Section23 Replace viewable area

03 minutes20 seconds

Section24 Confirm replacement

04 minutes14 seconds

Section25 6 commands to enter edit mode

06 minutes09 seconds

Section26 Use with numbers

04 minutes53 seconds

Section27 Use visual blocks to add comments to multiple lines of code

05 minutes25 seconds

Section28 Last line command expansion

09 minutes31 seconds

Section29 w command phased backup code

05 minutes36 seconds

Section30 Split screen command walkthrough

08 minutes04 seconds