chen@chen-virtual-machine:~$ wget http://ftp.gnu.org/gnu/make/make-4.2.tar.gz
chen@chen-virtual-machine:~$ tar -zxvf make-4.2.tar.gz
chen@chen-virtual-machine:~$ cd make-4.2
chen@chen-virtual-machine:~/make-4.2$ ./configure
chen@chen-virtual-machine:~/make-4.2$ make
chen@chen-virtual-machine:~/make-4.2$ sudo apt-get install make
