查看常用库版本指令集合

Ubuntu version:
lsb_release -r

32-bit or 64-bit architecture:
getconf LONG_BIT

Compiler version:
gcc --version

Git version:
git --version

CMake:
cmake --version

Boost version:
dpkg -s libboost-dev | grep Version

Eigen3:
dpkg -s libeigen3-dev | grep Version

Doxygen:
dpkg -s doxygen | grep Version

OpenCV
pkg-config --modversion opencv