# nx > Manage `nx` workspaces. > More information: <https://nx.dev/l/r/getting-started/nx-cli>. - Build a specific project: `nx build {{project}}` - Test a specific project: `nx test {{project}}` - Execute a target on a specific project: `nx run {{project}}:{{target}}` - Execute a target on multiple projects: `nx run-many --target {{target}} --projects {{project1}},{{project2}}` - Execute a target on all projects in the workspace: `nx run-many --target {{target}} --all` - Execute a target only on projects that have been changed: `nx affected --target {{target}}`