echo命令举例 echo "your home directory is $HOME" echo -n "your home directory is $HOME" echo -e "your home directory is $HOME\c" echo -e "User:SUSER\tUID:SUID" 5 5 echo " your home directory is $HOME" echo –n " your home directory is $HOME" echo –e " your home directory is $HOME\c" echo -e "User: $USER\tUID: $UID" echo 命令举例