The first week working link
1, according to a list of Linux distributions series, and describe connections and differences between the different releases.
https://blog.51cto.com/14613575/2453462
2, installation Centos7.6 operating system, create a name of your own user name and login of the major steps screenshots.
https://blog.51cto.com/14613575/2455107
3, configure the environment variables for the time of execution history can see the time to execute commands.
https://blog.51cto.com/14613575/2455144
4, summarizes the Linux philosophy
https://blog.51cto.com/14613575/2453468
5 summarizes Linux common command format, and illustrated by an example
e.g. echo, screen, date, ifconfig, export commands
https://blog.51cto.com/14613575/2455161