Mac系统清理

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查看系统的文件占用详情

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方法：
Step 1: 查看整个电脑的文件大小分布，命令：du -sh *
Step 2: 查看较大的文件，定位到较大文件下
        1）cd ~/Library
        2) du -d 1 -h
Step 3: 有针对性的删除文件

一、首先打开终端，输入命令

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du -sh *

这个命令用来查看根目录下所有文件的大小分布, 下图所示：

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CNWUXNBMAC1504:~ guh4$ du -sh *
  0B	-
  0B	-help
1.0M	Applications
 22G	Desktop
5.2M	Documents
 20K	Downloads
8.6G	Library
  0B	Movies
240M	Music
 85M	Pictures
8.0K	Public
 20M	PycharmProjects
  0B	debug.log
1.7M	get-pip.py
  0B	getmacapps_temp
  0B	hf.txt
8.0K	time.txt
CNWUXNBMAC1504:~ guh4$

其中，可以很容易能看到每个文件的大小占比，快速定位到Library文件。

输入命令，进入到Library文件路径

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cd ~/Library
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CNWUXNBMAC1504:~ guh4$ cd ~/Library
CNWUXNBMAC1504:Library guh4$

然后，查看Library下所有文件大小分布
输入：

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du -d 1 -h
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CNWUXNBMAC1504:Library guh4$ du -d 1 -h
 92K	./Receipts
2.6G	./Application Support
3.1M	./Assistant
8.0K	./Autosave Information
1.6M	./Saved Application State
184K	./IdentityServices
140K	./WebKit
595M	./Developer
 11M	./Calendars
2.9M	./Preferences
 16K	./studentd
1.2M	./Messages
1.2M	./HomeKit
8.0K	./DES
 18M	./Keychains
8.0K	./Sharing
1.4G	./Eudb_en
  0B	./ColorPickers
  0B	./Application Scripts
  0B	./Assistants
  0B	./Python
 15M	./Mail
  0B	./Compositions
  0B	./GameKit
 24K	./Google
256K	./LanguageModeling
  0B	./Favorites
428K	./Passes
 28K	./Edraw
  0B	./Family
  0B	./iTunes
  0B	./iMovie
236K	./Library
8.0K	./FontCollections
  0B	./Sounds
 92K	./Personas
 44K	./com.apple.internal.ck
412K	./Printers
888K	./SyncedPreferences
  0B	./Audio
  0B	./Keyboard Layouts
8.0K	./Logs
  0B	./Internet Plug-Ins
 80K	./FrontBoard
  0B	./Voices
  0B	./News
3.5M	./Accounts
 49M	./Safari
  0B	./Colors
  0B	./PreferencePanes
 24K	./FileProvider
1.5M	./Mobile Documents
200K	./PubSub
 11M	./Suggestions
 16K	./LaunchAgents
874M	./Group Containers
296K	./Dictionaries
2.9G	./Containers
  0B	./ScreenRecordings
 61M	./Atlas
648K	./sapi
8.0K	./PersonalizationPortrait
  0B	./Fonts
 41M	./XMind
2.1M	./KeyboardServices
3.8M	./Metadata
  0B	./Screen Savers
  0B	./CallServices
 12K	./Spelling
  0B	./SafariSafeBrowsing
  0B	./Input Methods
136K	./Cookies
 16K	./Services
 20K	./Keyboard
 28K	./CoreFollowUp
 30M	./Caches
8.6G	.
CNWUXNBMAC1504:Library guh4$

按照上述方法，查看容量较大的文件夹，再查看文件大小分布

Reference:

  1. Mac系统清理、占用空间大、空间不够、查看系统文件大小分布, https://www.cnblogs.com/yajunLi/p/7008578.html
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