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解决 debian TAB 键不能自动补全命令的原因

2016年12月8日

解决 debian TAB 键不能自动补全命令的原因

解决 debian TAB 键不能自动补全命令的原因

一般情况,命令行输入 sudo apt-get ins 按 tab ,它后面会自动补全为 install 如果右面写了包的名的一部分,按 tab 它也会自动完成或列出候选的,这次装了个 debian 5 突然不好使了

首先确认是否安装了 自动补全的插件,输入

apt-get install bash-completion

问了一圈都不知道,后来还是在老外的 blog 上找到答案:

即 在 .bash_profile 里加

if [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi

就 ok 了

链接:http://gumelta.com/add-bash-completion-in-debian.php

完整 copy 下来吧:

Add Bash Completion In Debian

ash completion is a useful tool for completion of file paths, commands etc. By default it is enabled on Ubuntu but not on Debian. With two simple steps it can also be enabled on Debian.

1. Install bash-completion

First of all we need the install the according package:

apt-get install bash-completion

2. Add it to the bash profile

Either edit the ~/.bash_profile file to enable it only for a given user or edit /etc/profile to add it system-wide. Add the following code:
if [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi
3. Try it

In order for it to work you have to log out and relogin and then you can make use of bash completion the usual way. E.g. issue:
apt-g

and then press the TAB key once and the command will be completed to apt-get. Or issue this:
apt

and then press TAB key twice. You can also try with
apt-get install apa

and then press TAB key once to complete as far as possible and a second time to list all options.

转自:http://hi.baidu.com/liheng_2009/

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