1
的which命令似乎並沒有被給予正確的結果：路徑不是真的給定的路徑到Python
[[email protected] ~]$ unalias python
bash: unalias: python: not found
[[email protected] ~]$ unalias which
bash: unalias: which: not found
[[email protected] ~]$ which python
/usr/local/bin/python
[[email protected] ~]$ /usr/local/bin/python -V
Python 2.7.6
[[email protected] ~]$ python -V
Python 2.6.6
[[email protected] ~]$ ls -l /usr/local/bin/python*
lrwxrwxrwx. 1 root root 11 Jun 10 12:27 /usr/local/bin/python -> python2.7.6
-rwxr-xr-x. 1 root root 8040 Jun 10 12:21 /usr/local/bin/python2.7
-rwxr-xr-x. 1 root root 8040 Jun 10 12:25 /usr/local/bin/python2.7.6
-rwxr-xr-x. 1 root root 1674 Jun 10 12:23 /usr/local/bin/python2.7-config
lrwxrwxrwx. 1 root root 16 Jun 10 12:23 /usr/local/bin/python2-config -> python2.7-config
lrwxrwxrwx. 1 root root 14 Jun 10 12:23 /usr/local/bin/python-config -> python2-config
[[email protected] ~]$
雖然不是這裏的問題，[這裏]（http://unix.stackexchange.com/questions/85249/why-not-use-which-what-to-use-then）是一些良好的閱讀關於爲什麼不用'哪個'搭配'bash' –
我把那一整天放在一邊，我可以專注於它。看起來很有趣！ –