Install 7zip at CentOS

1.yum

yum –y install p7zip

2.gcc-c++

wget http://nchc.dl.sourceforge.net/sourceforge/p7zip/p7zip_4.65_src_all.tar.bz2
tar -xjvf p7zip_4.65_src_all.tar.bz2
cd p7zip_4.65
make
make install