Creates, modifies, or displays information about the mappings between your workspace folders and the Team Foundation version ...

Creates, modifies, or displays information about the mappings between your
workspace folders and the Team Foundation version control folders.

tf workfold localfolder [/login:username,[password]]

tf workfold [/workspace:workspacename] [/login:username,[password]]

tf workfold [/collection:TeamProjectCollectionUrl] [/workspace:workspacename]
            [/login:username,[password]] serverfolder

tf workfold /map serverfolder localfolder
            [/collection:TeamProjectCollectionUrl]
            [/workspace:workspacename] 
            [/login:username,[password]]

tf workfold /unmap (serverfolder|localfolder)
            [/collection:TeamProjectCollectionUrl]
            [/workspace:workspacename]
            [/login:username,[password]]

tf workfold /cloak serverfolder
            [/workspace:workspacename] [/collection:TeamProjectCollectionUrl]
            [/login:username,[password]]

tf workfold /decloak serverfolder [/workspace:workspacename]
            [/collection:TeamProjectCollectionUrl]
            [/login:username,[password]]