i dont have gcc on linux!!!!!!
 

i installed colinux with arch image linux successfully in windows 7.
and i tried to use gcc.....
its says unknown command.

i tried to download using 'pacman -S gcc' .
besides gcc,some libraries also downloaded automatically
when it comes to installing time errors showed as..... "all the libraries exists.." and gcc didnt installed....

i updated the libraries...i mean glibc and header files.

now what i will do?

You should have checked the option to install dev packages during installation. Arch doesn't have this option set by default.

To get all the basic build tools in Arch do