Linux Command Extraction

Linux Command extraction-general Linux technology-Linux technology and application information. For more information, see the following section. Eject pop-up optical drive

Eject-t reclaim the optical drive

Df to view disk usage (du can also be used)

Pon sdl-provider network connection

Poff sdl-provider network disconnection

\ Command branch input (equivalent to a hyphen)

* Represents any string

? Represents a character

[] Range of specified characters

Cat> filename create a file

Cat> filename add content at the end of the file

Cat file1 file2> file3 combines file1 and file2 into file3.

Cat reads data from the file provided by the command line and sends the data connection to the standard output.

Sudo passwd root can change the root password. Later, You Can su or use root to log on.

/Media/disk directory

The number of lines, words, bytes, and file names in the wc filename statistics file (output in this order)

The sort [Option] File sorts all lines of the file

Ctrl + alt + F1 ~ F6 transition from graphic interface to character Interface

Ctrl + alt + F7 convert from the character interface to the graphic interface