問題1：
一打開終端出現如下一大串數據：
/usr/local/etc/bash_completion.d/prlctl:845: command not found: complete /usr/local/etc/bash_completion.d/prlsrvctl:362: command not found: complete /usr/local/etc/bash_completion.d/procps:22: command not found: complete /usr/local/etc/bash_completion.d/procps:38: command not found: complete /usr/local/etc/bash_completion.d/python:47: command not found: complete /usr/local/etc/bash_completion.d/quota-tools:60: command not found: complete /usr/local/etc/bash_completion.d/quota-tools:99: command not found: complete /usr/local/etc/bash_completion.d/quota-tools:131: command not found: complete /usr/local/etc/bash_completion.d/quota-tools:160: command not found: complete /usr/local/etc/bash_completion.d/quota-tools:189: command not found: complete /usr/local/etc/bash_completion.d/quota-tools:216: command not found: complete /usr/local/etc/bash_completion.d/quota-tools:248: command not found: complete /usr/local/etc/bash_completion.d/rabbitmqadmin.bash:166: command not found: complete /usr/local/etc/bash_completion.d/ri:87: command not found: complete /usr/local/etc/bash_completion.d/rsync:84: command not found: complete /usr/local/etc/bash_completion.d/screen:58: command not found: complete /usr/local/etc/bash_completion.d/service:35: no matches found: /etc/init.d/* /usr/local/etc/bash_completion.d/sh:33: command not found: complete /usr/local/etc/bash_completion.d/shadow:171: command not found: complete /usr/local/etc/bash_completion.d/shadow:314: command not found: complete /usr/local/etc/bash_completion.d/shadow:326: command not found: complete /usr/local/etc/bash_completion.d/shadow:415: command not found: complete /usr/local/etc/bash_completion.d/sqlite3:31: command not found: complete /usr/local/etc/bash_completion.d/ssh:194: command not found: shopt /usr/local/etc/bash_completion.d/ssh:247: command not found: shopt /usr/local/etc/bash_completion.d/ssh:393: command not found: complete /usr/local/etc/bash_completion.d/ssh:419: command not found: complete /usr/local/etc/bash_completion.d/sysctl:16: command not found: complete /usr/local/etc/bash_completion.d/tar:63: command not found: complete /usr/local/etc/bash_completion.d/tcpdump:29: command not found: complete /usr/local/etc/bash_completion.d/util-linux:32: command not found: complete /usr/local/etc/bash_completion.d/util-linux:52: command not found: complete /usr/local/etc/bash_completion.d/util-linux:68: command not found: complete /usr/local/etc/bash_completion.d/xmllint:47: command not found: complete /usr/local/etc/bash_completion.d/xrandr:17: parse error near `)' /usr/local/etc/bash_completion.d/xsltproc:48: command not found: complete /usr/local/etc/bash_completion.d/yp-tools:28: command not found: complete
問題2：點擊tab自動補全時報錯如下 _get_comp_words_by_ref:16: bad substitution
解決方法：
打開此文件：
找到這一行並注釋掉，保存下。並重新打開終端就ok了。