User interface: A unique application that provides a mechanism for users to launch other applications
CLI: Command prompt, the user enters the command to execute,
Shell: Shell
SH, csh, ksh, bash, zsh, tcsh
Gui:
Launch the application by clicking the action
Gnome
Mainframe Mainframe Machine
Multi-user operating system multi-terminal: device, monitor, mouse, keyboard
Virtual Terminal
Expression:/dev/tty#
Ctrl-alt-f (1-6)
Physical terminal (control Terminal) Console
Serial terminal
Pseudo Terminal
/dev/pts#
Device files:
X Window not previously started
StartX &
StartX--: 2 &
Command syntax format: command Optional parameters
Command: Command
Application
Footstep files
Type of command
Built-in commands: commands that are brought in by the shell program
Built-in command: itself is a standalone executable program file,
HFS File Hierarchy System
Ordinary file-
User interface: A unique application that provides a mechanism for users to launch other applications
CLI: Command prompt, the user enters the command to execute,
Shell: Shell
SH, csh, ksh, bash, zsh, tcsh
Gui:
Launch the application by clicking the action
Gnome
Mainframe Mainframe Machine
Multi-user operating system multi-terminal: device, monitor, mouse, keyboard
Virtual Terminal
Expression:/dev/tty#
Ctrl-alt-f (1-6)
Physical terminal (control Terminal) Console
Serial terminal
Pseudo Terminal
/dev/pts#
Device files:
X Window not previously started
StartX &
StartX--: 2 &
Command syntax format: command Optional parameters
Command: Command
Application
Footstep files
Type of command
Built-in commands: commands that are brought in by the shell program
Built-in command: itself is a standalone executable program file,
HFS File Hierarchy System
Ordinary file-
The problem of the font can not see Tree/tmp/mylinux
To modify export lang=en
Tree/tmp/mylinux
D catalog File
-F Common Files
C (Linear device)
B Block (random device)
L Link
P Pipe
s socket
Orking-scripts},lib/modules,lib64,usr/{bin,sbin,libs,lib64,local/{bin,sbin,lib,lib64}},proc,sys,dev,var/{log, RUN,LOCK}TMP}
/tmp/{x,y}
/tmp/x,/tmp/y
/tmp/{x,y}/z
/tmp/x/z,/tmp/y/z
Create/tmp/x/z,/tmp/y/z,/tmp/x/m,/tmp/y/m
mkdir/tmp/{x,y}/{z,m}
Exercise 1: Create a/tmp/
A_b, C_b, A_d, c_d
MKDIR/TMP/{A,C}_{B,D}
Exercise 2: Create a/tmp/mylinux/
Boot
Grub
Bin
Sbin
etc
Rc.d
Init.d
Sysconfig
Networking-scripts
Lib
Modules
Lib64
Usr
Local
Bin
Sbin
Libs
Lib64
Bin
Sbin
Lib
Lib64
Proc
Sys
Dev
Var
Log
Run
Lock
Tmp
# MKDIR-PV/TMP/MYLINUX/{BOOT/GRUB,BIN,SBIN,ETC/{RC.D/INIT.D,SYSCONFIG/NETWORKING-SCRIPTS},LIB/MODULES,LIB64,USR /{BIN,SBIN,LIB,LIB64,LOCAL/{BIN,SBIN,LIB,LIB64}},PROC,SYS,DEV,VAR/{LOG,RUN,LOCK},TMP}
How to install the tree:
# cd/etc/yum.repos.d/
# wget Http://172.16.0.1/centos6.5.repo
# RM Centos-base.repo
# yum-y Install tree
The problem of the font can not see Tree/tmp/mylinux
To modify export lang=en
Tree/tmp/mylinux
D catalog File
-F Common Files
C (Linear device)
B Block (random device)
L Link
P Pipe
s socket