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❝最近发现很多初次使用linux系统的朋友不太习惯使用Tab进行路径补齐，从而导致在输入路径时经常出现bug，本节来介绍如何修改ubuntu默认的bash与zsh来优化终端。 ❞
bash修改
代码语言：javascript复制vim ~/.bashrc
找到bashrc中下方内容的字符，将前方的#去除修改为如下内容即可，经过如此修改就可以使用Tab键进行补齐了。
修改前bashrc
代码语言：javascript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
修改后bashrc
代码语言：javascript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
fisource ~/.bashrc上方为系统默认bash的修改方法，但是目前使用bash已经比较落伍了，现在主流使用zsh即「oh-my-zsh」
zsh
代码语言：javascript复制sh -c "$(wget https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh -O -)"这段代码主要下载了install.sh文件并进行了安装，如果实际运行中下载不了可公众号后台回复「zsh」获取小编下载好的安装包.
后续配置
代码语言：javascript复制sudo usermod -s /usr/bin/zsh $(whoami) #设置zsh为默认
# 配置 zsh
sudo apt install powerline fonts-powerline #安装字体
sudo apt install zsh-theme-powerlevel9k #安装主题
echo "source /usr/share/powerlevel9k/powerlevel9k.zsh-theme" >> ~/.zshrc
sudo apt install zsh-syntax-highlighting # 安装语法并启用高亮插件
echo "source /usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh" >> ~/.zshrc
source ~/.zshrc
还可以修改zshrc中的ZSH_THEME参数设置更多的主题
