su - dmdba
vim ~/.bash_profile

添加以下行

export DM_HOME="/dm8"
PATH=$PATH:$HOME/.local/bin:$HOME/bin
export PATH
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$DM_HOME/bin
export DM_HOME=/dm8
export PATH=$PATH:$HOME/.local/bin:$HOME/bin:$DM_HOME/bin:$DM_HOME/tool

source ~/.bash_profile

source ~/.bash_profile
报错[dmdba@localhost ~]$ source ~/.bash_profile
-bash: rt：未找到命令