操作系统

Linux

Linux 发行版跟踪: https://distrowatch.com/

Linux Shell: https://explainshell.com/

UNBUTNU: https://www.ubuntu.com/download/desktop

https://wiki.ubuntu.org.cn/命令行指南

系统论坛

Windows

• Windows Support Communities

• Stackoverflow

IRC 频道

• #Windows

• #microsoft

Reddit

• /r/windows

• /r/windowsapps

• /r/microsoft

• /r/sysadmin

• /r/microsoftsoftwareswap