Zend certified PHP/Magento developer

-ksh: newfile: not found [No such file or directory]

I am new to Putty. I created files , folders in putty. Unable to open file and i am getting this error. I can see the file is available when i use ls -l command.But when i give the file name and enter , i am getting this error.I gave persmission to user using chmod.

$ chmod u=wrx newfile

$ ls -l

-rwxr–rwx 1 NEU users 0 Nov 11 09:52 newfile

drwxr-xr-x 5 NEU users 4096 Oct 26 13:50 newfolder

$ newfile

-ksh: newfile: not found [No such file or directory]

where i am a going wrong.?