# pnmshear > Shear a PNM image. > More information: . - Shear a PNM image by the specified angle: `pnmshear {{angle}} {{path/to/input.pnm}} > {{path/to/output.pnm}}` - Specify the color of the background in the sheared image: `pnmshear {{[-b|-background]}} {{blue}} {{angle}} {{path/to/input.pnm}} > {{path/to/output.pnm}}` - Do not perform anti-aliasing: `pnmshear {{[-n|-noantialias]}} {{angle}} {{path/to/input.pnm}} > {{path/to/output.pnm}}`