How do I dock the workspace window in the command window?

My workspace window mysteriously came undocked from my command window. How do I re-dock it? (This is on Mac)

Thanks

Answer 1

[Fangjun Jiang]

On the tool bar, click Layout then default

[Grant Schmick]

Works great, thanks.

[Divyesh Hariram]

where is layout?

[Salma alzuhd]

Home> Environment> Layout