2. Linux basic knowledge, basic commands, access to use Help and file system organization structure, etc.

Gui:graphic User Interface GUI

Windows:windows

Linux:gnome,kde

Cli:command lines Interface Command line interface

DOS, MSDOS

Linux:bash, Ksh, csh ...

Operating system structure diagram (continue to supplement)

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IDE: Integrated development environment VS2010, VS2012 ...

Api:application program Interface

function library

Windows: *.dll dynamic link Library

Linux: *.so Shared Object

About Login:

Authentication mechanism: Authentication

Authorization: Authorization

Audit: Audition

Execution Portal: Magic number Magic Numbers

#!/bin/bash shebang

About command formats:

Command option argument

Strictly case-sensitive

About paths: absolute paths, relative paths

About environment variables:

Printenv

Hash cache is King O (1)

About LS

About CDs

About type

About PWD

About Time management: Date, Hwclock, Cal,

For information on how to get help:

Internal command: Help command

External command: Command--help

Mans command

Info command

/usr/share/doc Help Document storage location

Practice:

echo, printf, file

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2. Linux basic knowledge, basic commands, access to use Help and file system organization structure, etc.