Fedora and Ubuntu OS

Using command line:
1 : version  :"uname -a"
2 . exit
3. clear :  This will clear your screen 
4 . update : "yum update"( su)
5. ifconfig ( su ) :  The same ipconfig on windows
6 . ping  8.8.8.8 ( checking the Internet or  LAN )
7. installing GNU C++ compiler : "sudo apt-get install g++"or "yum install gcc-c++"

 # No package available
 yum search g++

For Example :  yum search gcc-c++

8. To folder : 
 "cd pathName" (cd - windows)
9 .Change password :

passwd
passwd {userName}

10 . open dpf file

yum install xpdf

11 .Shutdown - Reboot  :
$ "sudo shutdown -h now"  $ "sudo shutdown -h 0"  $ "sudo shutdown -h 18:45 "Server is going down for maintenance" "
$ "sudo reboot"

12.installing VMware tools

step 1 : "yum update"

step 2 : "yum install gcc make kernel-devel perl kernel-PAE-devel" 

step 3 :  extracted files

step 4 :  cd  pathName 

step 5 :  "/vmware-install.pl"

13. installing  codeblocks

su
yum install codeblocks

14 installing git 

su
yum install git-core

15 . Installing Echipse

yum -y install eclipse

16. Upgrade the newest on Fedora

sudo yum install fedora-upgrade 

17 KDeveloper

yum install kdevelop

18 File in Linux

touch filename.txt

cat > myfile.txt

19 Edit File

vi galfit.feedme

For inserting

Press i //Do required editing

For exiting

Press Esc

    :wq //for exiting and saving
    :q! //for exiting without saving

good link
http://community.linuxmint.com/tutorial/view/244

Bat file on Windows  OS and sh file on Linux OS
Run the sh file

http://www.cyberciti.biz/faq/run-execute-sh-shell-script/

sh file.sh

OR

bash file.sh

https://fedoraproject.org/wiki/Upgrading_Fedora_using_yum
http://rgrunber.wordpress.com/2012/04/23/cc-project-setup-in-eclipse/
//-------------------------------------------------------------------------------------
10 .Hotkey ( continues ... tomorrow .. )
http://unix.stackexchange.com/questions/52409/fedora-17-hotkey-for-terminal

command line
1 . "hello world "
http://pages.cs.wisc.edu/~beechung/ref/gcc-intro.html
2 .
windows_run_commands

Terminal on Ubuntu  OS

sudo apt-get install nmap

sudo apt-get remove nmap

sudo apt-get update

sudo apt-get upgrade

sudo apt-get install gcc

25 Useful Basic Commands of APT-GET