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$ cvs checkout project_name cvs checkout: Updating project_name
checkout before
cvs checkout -r release_1_0 project_name$ cvs checkout -r release_1_0 project_name cvs checkout: Updating project_name U project_name/file cvs checkout: Updating project_name/dir1 U project_name/dir1/file1 cvs checkout: Updating project_name/dir2 U project_name/dir2/file1 U project_name/dir2/file2