#在PATH中找到可執行文件程序的路徑。
export PATH =$PATH:$HOME/bin
#gcc找到頭文件的路徑
C_INCLUDE_PATH=/usr/include/libxml2:/MyLib
export C_INCLUDE_PATH
#g++找到頭文件的路徑
CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:/usr/include/libxml2:/MyLib
export CPLUS_INCLUDE_PATH
#找到動態鏈接庫的路徑
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/MyLib
export LD_LIBRARY_PATH
#找到靜態庫的路徑
LIBRARY_PATH=$LIBRARY_PATH:/MyLib
export LIBRARY_PATH
或者添加到.bashrc文件中去