tar -zxvf /usr/scala/scala-2.13.1
vi /etc/profile
export SCALA_HOME=/usr/scala/scala-2.13.1
export PATH="$PATH:${SCALA_HOME}/bin"
source /etc/profile
scala -version
tar -zxvf /usr/scala/scala-2.13.1
vi /etc/profile
export SCALA_HOME=/usr/scala/scala-2.13.1
export PATH="$PATH:${SCALA_HOME}/bin"
source /etc/profile
scala -version