1、
[root@centos7pc1 ~]# gcc --version bash: gcc: command not found...
2、
[root@centos7pc1 ~]# yum install gcc gcc-c++ kernel-devel -y Loaded plugins: fastestmirror, langpacks Existing lock /var/run/yum.pid: another copy is running as pid 3032. Another app is currently holding the yum lock; waiting for it to exit... The other application is: PackageKit Memory : 151 M RSS (1.0 GB VSZ) …………
………… Verifying : kernel-devel-3.10.0-1160.11.1.el7.x86_64 4/5 Verifying : cpp-4.8.5-44.el7.x86_64 5/5 Installed: gcc.x86_64 0:4.8.5-44.el7 gcc-c++.x86_64 0:4.8.5-44.el7 kernel-devel.x86_64 0:3.10.0-1160.11.1.el7 Dependency Installed: cpp.x86_64 0:4.8.5-44.el7 libstdc++-devel.x86_64 0:4.8.5-44.el7 Complete!
3、
[root@centos7pc1 ~]# gcc --version gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44) Copyright (C) 2015 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.