Linux Learning Blog

How to implement similar QQ Remote Assistance connection in Linux, here, we use a new Learning command today:

screen [] []

When a host needs help, with screen-s session to send messages, and another host through the Screen-ls command to find the first host session, execute the screen-x session command, you can synchronize the two hosts, and both sides will not affect, can be manipulated. When finished, both sides exit the current screen with exit.

screen [] [] Other uses

Directly execute screen to open the new screens, when we run a long time and can not operate the program, in the new window to run, and CTRL + a release after pressing d for stripping, peel back to the previous interface, the program backstage. You can use the Screen-r SESSION to restore just screen when you are viewing it.

When you execute multiple screen nesting, you need to exit each screen in turn. A direct restart or shutdown automatically exits all screens.

Echo Echoes

This command is used more frequently, remembering a new option-e handling special characters, including

\a issued a warning sound

\b Backspace key

\c Finally, no newline symbol is added.

\ t inserts a tab

"\0NNN (8 binary)" Example: "\033[43;31mabc\033[om"

"\0HH (16 binary)"

Single quotation marks: Strong references

Double quotation marks: weak references

Anti-quote: Command reference equivalent to $ ()

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