20165303 preparatory work 3 Linux installation and learning

=20165303 preparatory work 3 Linux installation and learning

Installing virtual machines

• Follow the http://www.cnblogs.com/rocedu/p/6012545.html steps for step-by-step operation to install the virtual machine.

  Problems encountered the use of common keys

• Ctrl+alt+t: Open terminal;
  Ctrl+shift+t: Create new tab page;
  ALT + Digital +n: Jump tab;
  Tab: Complete terminal command;
  On: Toggle History command;
  CTRL + C: Interrupt program;
  Find File path
  Locate Swift version find

Whereis,which find where the command tool is installed
Ctrl+d: Keyboard input end or output terminal
Ctrl+s: Pause the current program and press any key to resume operation
CTRL + Z: Keep the current program running in the background
FG: Background Run program recovery foreground
CTRL + A: The cursor moves to the input outfit, which is equivalent to home
Ctrl+e: Cursor moves to end of input line, equivalent to end
Ctrl+k: Delete from the cursor position to the end of the line
Alt+backspace: Delete a word forward
Shift+pgup: Scrolls the terminal display up
SHIFT+PGDN: Scrolls the terminal display down

Linux architecture

Learning experience

User file Rights Management

• Create User: sudo
  Switch User: Su
  View users: $ Who am I
  Print all that can be printed:-A
  Print dead Process:-D
  Print the current number of logged in users and user name:-Q
  Print current logged on user information:-u
  Print run Level:-R
  View user groups: $ groups AAA
  To view the integrity of a directory:-A
  -dl< directory name > Show all file sizes and present them in a way that ordinary people can understand
  -assh s Display file size
  Sort by file size: S

  File Packaging and Decompression

20165303 preparatory work 3 Linux installation and learning