When cd command doesen't work

If the first and last letter from a folder name is the same, cd command doesen't work when changing directories for the folder trough command line.

Examples :
nlarn
mlarm
agha

Hexen raw images

The files are 128x64, 32 bit, made with Hexen palette.
Below is a list with the images. You must insert them to a .wad file to use them in Hexen and can be used for GZDoom.

Hexen raw drawings 1

Doom raw images

The above shows how a image really is.
The files are 64x64, 32 bit, made with Doom palette.
Below is a list with the images. You must insert them to a .wad file to use them in Doom and can be used for GZDoom.

Download from here :
Doom drawings 1

Added DOS Nostalgia and zdoom links and Various game textures button

I added DOS Nostalgia and zdoom links to the right and Various game textures button up.

Updated Doom post and a link

Being the first simple review of my first game review in this blog, i did not made it like others. Now i added the images inside the post and modified the text. If you want to go to a interesting community go below :
Doom engines, tc (total conversions), mods, maps, graphics etc :
zdoom