./reveal Wallpaper/Dawn_1280x960.png 

 Basic file info: Wallpaper/Dawn_1280x960.png
 =====================================================
 - I-node:   4113732   	 - Total bytes:      333114
 - Device:   8/3	 - Prefered blocks:  4096
 - Dev-type: 0   	 - Asigned blocks:   664
 - Mode:     0100644  	 - Owner:            1001
 - Links:    1   	 - Group:            100

 - Latest access: Sun Mar 16 18:21:07 2008
 - Latest change: Sun Mar 16 18:19:40 2008
 - Latest i-node: Sun Mar 16 18:19:40 2008


 Portable network graphics (PNG) file: Wallpaper/Dawn_1280x960.png
 =====================================================
 - IHDR length:    13
 - Image width:    1280 pixels
 - Image height:   960 pixels
 - Bit depth:      8
 - Color type:     2
 - Compression:    0
 - Filter scheme:  0
 - Interlace type: 0

 Allowed color types:             Allowed bit depths:                      
 - 0 : Grayscale                  - 1,2,4,8,16: Each pixel is grayscale.   
 - 2 : RGB                        - 8,16: Each pixel is a RGB triplet.     
 - 3 : Palette mode               - 1,2,4,8: Each pixel is paletted. (PLT) 
 - 4 : Grayscale + Alpha channel  - 8,16: Each pixel is followed by mask.  
 - 6 : RGB + Alpha channel        - 8,16: Each pixel is followed by mask   

  Allowed filter schemes:         Allowed interlace types: 
 - 0 : Adaptive filtering         - 0 : No interlace       
 - 1 : Unsupported                - 1 : Adam 7 interlace   

No further info.