Before upload / download:
C:\>md5sum.exe UH_3-Unix_04_2004.pdf
3ecb8801acbd2e7e96b93a4b72cee79c *UH_3-Unix_04_2004.pdf
Then after uploading it:
# md5sum UH_3-Unix_04_2004.pdf
b8d0502bf7986b78c4991da5db722bf1 UH_3-Unix_04_2004.pdf
Why is fileman corrupting the file?