CentOS 7 First login and common commands

Gnome mode and KDE mode and command line mode,

X window and command-line mode switch with Ctrl+alt +f1 or Ctrl+alt +f2 until Ctrl+alt +f7

In CentOS 7, Ctrl+alt +f1 is the X Window mode, and the rest is the command line mode. Use the command TTY to see which console is currently logged in. Each console is the equivalent of a system entry.

Command format: command-option parameters hit the command key by pressing ENTER multiple options: Ls-sla if the word is LS--help

Basic commands: LS directory date time cal date History list historical commands! + serial number, using the commands in history

Shortcut keys: Tab once auto-complete tab two lists all included items

CTRL + C does not execute commands

Ctrl+d Closing the terminal

CTRL + a jumps to the start

Ctrl+e Jump to the end

Ctrl +u Delete from the current position to the beginning

Ctrl+k Delete from current position to end

esc+. Calling arguments to the previous command

Ctrl+shift+t New Terminal tab page

Ctrl+shift+w Closing the Terminal tab

Ctrl+shif+pageon PAGE UP screen: Clear or Ctrl +l

CentOS 7 First login and common commands