1*4882a593Smuzhiyun#!/bin/bash 2*4882a593Smuzhiyun 3*4882a593Smuzhiyunexport USER=${USER:-$(id -un)} 4*4882a593Smuzhiyunexport HOME=${HOME:-$(eval echo ~$USER)} 5*4882a593Smuzhiyunexport TERM=${TERM:-linux} 6