Basics of Linux first section

Source: Internet
Author: User

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

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