xlings support multi-version management for package, I have add support for dsh. you can try it## Base Usagexlings install dsh@0.1.0-rc.6 -y xlings install dsh@0.1.0-rc.3 -yxlings use dshxlings use dsh 0.1.0-rc.6 dsh --versionxlings use dsh 0.1.0-rc.3 dsh --version## Advanced UsageIn terminal-1xlings subos new dsh-1 xlings subos use dsh-1 xlings install dsh@0.1.0-rc.6 -y -u dsh --versionIn terminal-1xlings subos new dsh-2 xlings subos use dsh-2 xlings install dsh@0.1.0-rc.3 -y -u dsh --versionRepo: https://github.com/openxlings/xlings