For your book files, you should choose a program to open your files. On Mac as iBooks is a built-in reading app, I recommend you iBooks.
Maybe you can have a look at reading epub on Mac.
Most USB Flash drives in Windows are formatted using the FAT or FAT32 file systems. These file systems can be read and written on a Mac. if you use NTFS on the drive, however, the Mac will not be able to read them without additional software.
Mac OS X cannot read an NTFS file system without the assistance of a third party program. See the related link below for a list of solutions if it is absolutely necessary to open NTFS file systems using OS X.
HFS file system with addtional software windows can read it
Formatting the drive would remove any files currently on it. If you want to access a Linux file system from Mac OS X, there are a few programs that can do this, such as Paragon ExtFS for Mac OS X or ext2fsx.
A PKG file is not compatible with any windows based PC as it is a Mac installer file.
File Systems supported by Mac OS X:Local File Systems HFSHFS+ISO9660MSDOSNTFSUDFUFSNetwork File Systems AFPFTPNFSSMB/CIFSWebDAVOther deadfsdevfsfdescfifofsloopnullfsramfsspecfssynthfsunionvolfs
There is no direct support for Publisher (.pub) files on a Mac. Depending on your needs (and budget) Pub2ID (See links below) converts Publisher files so they can be imported to In Design. Publisher can export to a PDF file which can be read but not edited on a Mac.
You can not run a DLLÊfile on a Mac computer because DLLÊis a Microsoft program. You have to find a Mac file that is the same version or find a file that will share the dll file in your library.
To open a jpeg (.jpg) file on a Mac the user is required to double click on the file's icon.
The question mark's appearance on a Mac file indicates that the Mac is unable to locate the System software that it needs to open that file.
If the Mac has Word installed it can read a Word .doc file - although there are variations between different versions of Word which may cause problems. Even without Word the Mac's TextEdit application can read basic .doc files. There are free applications, such as Open Office (or Neo Office), which provides a high level of compatibility with Word. If the document is only to be read, and not edited on the Mac, then saving it as a .pdf will ensure that the Mac sees the document, with all its formatting, as intended.
If you have installed Windows using Bootcamp you will be able to see Mac OS X disk and access all files, but this disk will be always read only. Same situation is with Linux operating system.