CheatSheet.CC

• https://cloudbook.wiki/cheatsheet/aria2.md
• https://cloudbook.wiki/cheatsheet/cron.md
• https://cloudbook.wiki/cheatsheet/git.md
• https://cloudbook.wiki/cheatsheet/javahome.md
• https://cloudbook.wiki/cheatsheet/latex.md
• https://cloudbook.wiki/cheatsheet/ntp.md
• https://cloudbook.wiki/cheatsheet/sage.md
• https://cloudbook.wiki/cheatsheet/yum.md

• https://devhints.io/ - Rico's cheatsheets