文章摘要
文章认为Oh My Zsh虽然流行但会拖慢终端启动速度，因为它加载了大量不必要的脚本。作者实测仅加载几个常用插件就会使新终端启动耗时0.38秒，对于需要频繁开关终端的用户来说效率影响显著，建议大多数用户其实并不需要它。
文章总结
你可能并不需要Oh My Zsh
作者Artem Golubin指出，虽然Oh My Zsh（OMZ）仍被广泛推荐，但其主要问题在于臃肿的脚本会显著拖慢Shell启动速度。由于OMZ完全由Shell脚本编写，每次新建终端标签页时都需要重新解析这些脚本，这对高频使用终端的用户（如每天需开启数百个终端标签页）影响尤为明显。
性能瓶颈实测
- 默认配置下（含git、zsh-autosuggestions等常用插件）启动耗时：0.38秒
- 实际使用中（含git插件和Python虚拟环境插件）新建标签页感知延迟：约1秒
- 定期更新检查可能导致额外数秒延迟
精简配置方案
作者推荐从基础配置开始，仅添加必要功能：
zsh
export HISTSIZE=1000000000
export SAVEHIST=$HISTSIZE
setopt EXTENDED_HISTORY
setopt autocd
autoload -U compinit; compinit
该配置包含：
- 超大历史记录容量
- 带时间戳的历史记录
- 免输入cd的目录切换
- Zsh自动补全系统
高效替代方案
提示符定制
使用Rust编写的starship替代OMZ主题系统，单二进制文件实现快速响应。示例配置禁用云服务显示以减少视觉干扰，支持显示编程语言环境及命令执行时长。历史搜索
用fzf替代zsh-autosuggestions，通过Ctrl+R触发交互式模糊搜索，避免输入时的建议干扰。
优化效果
优化后启动时间从0.38秒降至0.07秒，提升约5倍。作者建议Vim用户启用Zsh的Vim模式：
zsh
set -o vi
bindkey -v '^?' backward-delete-char
结论
作者表示转换至精简配置仅需数天适应期，用户仍可选择性加载特定插件。该方案特别适合追求效率的终端重度使用者。
（注：原文中的社交媒体分享链接、评论区内容及网站页脚信息等非核心内容已省略）
评论总结
以下是评论内容的总结：
支持oh-my-zsh的观点
1. 开箱即用的便利性
- "I can get a good shell experience out of the box and immediately start working" (g947o)
- "Oh-My-Zsh is so easy to install...pkg install ohmyzsh and 5 seconds later it's ready" (elcritch)
- 时间成本考量
- "I could spend hours figuring out all those things, but I'd rather use that time for something more important" (g947o)
- "0.38s is a bad trade-off for convenience...Bigger fish to fry if we're being practical" (mmoustafa)
反对oh-my-zsh的观点 1. 功能冗余问题 - "I was only using a fraction of the functionality...created my own very paired down version" (nickzelei) - "the features I uses are so basic, it really does not warrant a whole software project" (anotherpaul)
- 性能问题
- "My boot times are much faster with my custom config" (nickzelei)
- "Prezto is faster than OMZ, and has been for over a decade" (tristor)
替代方案推荐 1. Fish shell - "Or simply use fish" (metax) - "I have not a small number of plugins on fish and I've never noticed a problem" (kayson)
- 其他工具
- "zim has all the features that I need but is much faster" (gelatocar)
- "using starship which is a fast and minimal prompt" (socalgal2引用原文)
中立/其他观点 1. 性能争议 - "with the default configuration it's only 60ms on my laptop" (jbirnick) - "It's crazy how their startup time is 380 ms...something else might be the reason" (alkh)
- 学习价值
- "At some point you need to remove the training wheels" (gaigalas)
- "I also learned a lot more about shell configs" (nickzelei)
- 工作流差异
- "This sounds like overoptimization on a neglible time loss" (DocTomoe)
- "Are we really quibbling over 400ms startup delay?" (commandersaki)