GOGOLINUX

Chmod is the option for us to make file or folder have privilage status.
Standard form of chmod is:

$ chmod 421

The first digit : the file / folder is for user.
The second digit : file / folder is for group.
The third: universal user.

The amount of the number, has meanings:
4 >> Allow Read
2 >> Allow Write
1 >> Allow Execute

It is a standar number of chmod. If you meet 7,6,5,3, it must amount of standar number.
7 = 4 + 2 + 1
6 = 4 + 2
5 = 4 + 1
3 = 2 + 1

notes:
.. parent

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|UBUNTU|

To determine your hardware make and model, and more detailed information of your hardware, run this command from terminal:

Detect your processor
# sudo lshw -C cpu

Detect your VGA
# sudo lshw -C video

Detect your Audio Card
# sudo lshw -C audio

Detect your Lan Card
# sudo lshw -C lan

|LINUX|

Startcom: /etc/sysconfig/network-scripts/ifcfg-eth0
Ubuntu:
Slax:

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| STARTCOM/REDHAT |

Adding user in terminal:

First way:
Login on root and follow this steps

$ adduser newusername -p newuserpassword

Second way:
Login on common user, and follow this steps

$ /usr/sbin/adduser newusername -p newuserpassword


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Many ways to show the linux version in terminal, they are:

$ dmesg | head -1

it will show you:

Linux version 2.6.18-92.el5xen (mockbuild@builder16.centos.org) (gcc version 4.1.2 20071124 (Red Hat 4.1.2-42)) #1 SMP Tue Jun 10 19:55:54 EDT 2008

$ cat /proc/version

it will show you with the same as command before.

$ cat /etc/issue

it will show you this text

CentOS release final 5.2. (Final)
kernel \r on an \m

GNU Wget is a simple linux program that retrieves content from web. Its name is derived from World Wide Web and get, connotative of its primary function. It currently supports downloading via HTTP, HTTPS and FTP protocols, the most popular TCP-IP -based protocols used for web browsing.

How to use it?
Open your terminal, set wget proxy with su login. With vi/vim text editor, edit the wget rc.

# vim /etc/wgetrc

search the http and ftp setting, set as your server proxy.
To start downloading:
# wget -c -i file-link
or
# wget -c download_link_location


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Any ways to unistall program on linux, from terminal you can use this:

# aptitude remove package
# rpm --erase package
# rpm -qa | grep package
# sudo apt-get remove package

Then if you want to know what program had been installed, you can use this command:
# dpkg --list

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