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Enjoy Linux
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Linux Origin After Unix
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Distributions
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Previous Systems Unix BSD Linux Multics BSD File Server System
Punched Card Computers – Keyboard Input Computers – Compatible Time-share System BSD Bill Joy – Berkley Software Distribution – Sun Corp - OpenBSD File Server System Ken Thompson – Prototype of UNIX – “All Files” – “Efficient” No Unisversal Hardware Protcol SystemV / AIX / DEC Unix Ritchie – Bell Lab – B Languange – C Language – “Just For A Game?” Minix Andrew Tanenbaum – Intel X86 Development Linux Torvalds - Multi-task – GNU (GCC/Bash) - POSIX Distribution Kernel + Software + Tools + Documentation = Distribution
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From Window To Linux Change your mind
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Linux /usr/bin/php Directory Tree Structure
Windows C:\Windows\system32\cmd.exe Partition Using (NTFS) C: D: E: Linux /usr/bin/php Partition Using (EXT4) /dev/sda /dev/nvme01
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Linux Directory Tree All come from root
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Linux Directory Tree
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Bash
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Bash ~]# command –options parameters
![Bash ~]# command –options parameters](http://slideplayer.com./slide/16353609/95/images/10/Bash+%7E%5D%23+command+%E2%80%93options+parameters.jpg "Bash ~]# command –options parameters")
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User Rights Control Windows sucks
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User Rights Control
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User Rights Control ~]# useradd –u UID –g GROUP –d DIRECTORY –s SHELL USERNAME ~]# passwd USERNAME ~]# su USERNAME
![User Rights Control ~]# useradd –u UID –g GROUP –d DIRECTORY –s SHELL USERNAME. ~]# passwd USERNAME.](http://slideplayer.com./slide/16353609/95/images/13/User+Rights+Control+%7E%5D%23+useradd+%E2%80%93u+UID+%E2%80%93g+GROUP+%E2%80%93d+DIRECTORY+%E2%80%93s+SHELL+USERNAME.+%7E%5D%23+passwd+USERNAME..jpg "~]# su USERNAME.")
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File Permission Do not 777 all the time
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File Permission [root@localhost ~]# ls -al
Permission I-node Owner Usergroup Size Date
![File Permission ~]# ls -al](http://slideplayer.com./slide/16353609/95/images/15/File+Permission+%7E%5D%23+ls+-al.jpg "Permission I-node Owner Usergroup Size Date.")
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File Permission
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File Permission [root@localhost ~]# chown USERNAME FILE
~]# chmod 755 FILE ~]# chmod a+x FILE
![File Permission ~]# chown USERNAME FILE](http://slideplayer.com./slide/16353609/95/images/17/File+Permission+%7E%5D%23+chown+USERNAME+FILE.jpg "~]# chmod 755 FILE. ~]# chmod a+x FILE.")
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File Permission
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File Operation Safety First
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File Permission [root@localhost ~]# cd DIR
~]# mkdir DIR ~]# touch FILE ~]# rm FILE ~]# rm –R DIR
![File Permission ~]# cd DIR](http://slideplayer.com./slide/16353609/95/images/20/File+Permission+%7E%5D%23+cd+DIR.jpg "~]# mkdir DIR. ~]# touch FILE. ~]# rm FILE. ~]# rm –R DIR.")
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File Permission Relative Path [root@localhost ~]# cd ./docs/python
Absolute Path ~]# cd /root/docs/python
![File Permission Relative Path ~]# cd ./docs/python](http://slideplayer.com./slide/16353609/95/images/21/File+Permission+Relative+Path+%7E%5D%23+cd+.%2Fdocs%2Fpython.jpg "Absolute Path. ~]# cd /root/docs/python.")
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File Permission [root@localhost ~]# cp FILE PATH
~]# cp –R DIR PATH ~]# mv FILE PATH ~]# mv –R DIR PATH ~]# mv FILE FILE1
![File Permission ~]# cp FILE PATH](http://slideplayer.com./slide/16353609/95/images/22/File+Permission+%7E%5D%23+cp+FILE+PATH.jpg "~]# cp –R DIR PATH. ~]# mv FILE PATH. ~]# mv –R DIR PATH. ~]# mv FILE FILE1.")
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Vim Can you exit vim?
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Vim ~]# vim FILE
![Vim ~]# vim FILE](http://slideplayer.com./slide/16353609/95/images/24/Vim+%7E%5D%23+vim+FILE.jpg "Vim ~]# vim FILE")
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Tasks Change your APT Source to China Server and refresh it
Using APT to install the apache binary Using Servive command to start apache service Locate the web server path and modify your index.html Open your web browser to check whether your modification is working
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Thanks You Enjoy Your Linux
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