1、su切换到root账号,安装bash-completion
apt install bash-completion
2、切换到非root账号,打开.bashrc找到以下内容并复制
# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
if [ -f /usr/share/bash-completion/bash_completion ]; then
. /usr/share/bash-completion/bash_completion
elif [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi
fi
3、将复制的内容粘贴到root用的.bashrc
4、. .bashrc,重新加载bash
本文介绍如何为Bash shell配置自动补全功能。首先使用su命令切换到root账号并安装bash-completion软件包。接着,在非root账号下编辑.bashrc文件,找到并复制特定的自动补全配置段落,再将这些配置粘贴到root账号的.bashrc中。最后,通过运行..bashrc命令使更改生效。
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