Linux First week jobs

Q: Describe the composition and function of the computer?

A: The computer has the arithmetic, the controller, the memory, the input device, the output device composition. Function: Solve people's specific needs and improve efficiency.

Q: List Linux distributions by series and describe the connections and differences between different distributions?

A: There are redhat, Centos,fedora; SuSE, and open SuSE, Debian, Debian-based Ubuntu, Ubuntu-based Linux Mint

Difference:

1.Centos and Redhat are compatible with each other, both are free to download and use, if you need services, Red Hat will charge a certain fee, and CentOS does not need, but the use of the problem does not provide any responsibility, fedora is the desktop version, some of the latest Red Hat features will run on it for a period of time, If you can, it will be added to Red Hat.

2.SuSe was originally a German distributor and was later acquired by Novell.

Both 3.ubuntu and Linux Mint are focused on the desktop version of the operating system.

Q: Describe the philosophical thinking of Linux and interpret it according to your own understanding?

1. All documents, all documents;

2. Complex tasks performed by a multitude of small program combinations of a single purpose

3. text file save configuration information;

4. Try to avoid capturing the user interface;

5. Provide a mechanism, not a policy.

Q: Description of the use format of the commands on the Linux system; Ifconfig, Echo, TTY, STARTX, export, pwd, history, shutdown, Poweroff, reboot, Hwclock, and date commands are described in detail. , and with the appropriate examples to illustrate
The 1.ifconfig command displays information about the network card device, including IP, mask, gateway, MAC address, etc.
2.echo displaying characters on the monitor
3.tty to see if the command is a built-in command
4.STARTX can switch to the graphical environment
5.pwd Show current directory
6.history Historical Command Management commands
7.shutdown Turn off the computer
8.poweroff Power off
9.reboot Restart your computer

10.hwclock set the hardware clock of the system

11.date can be used to display or set the date and time of the system

12.export: setting or displaying environment variables

Linux First week jobs