1. 设置"PYTHONSTARTUP"环境变量 root@localhost:~$ cat .bashrc ... # setting python env PYTHONSTARTUP='/root/.pythonstartup' export PYTHONSTARTUP 2. 添加.pythonstartup文件 root@localhost:~$ cat .pythonstartup try: import readline except ImportError: print " readline not available" else: import rlcompleter readline.parse_and_bind("tab: complete")