Beginning Modern Unix: Learn to Live Comfortably in a Modern Unix Environment - Manish Jain - Google Books

https://books.google.de/books?id=cqJoDwAAQBAJ&pg=PA142&dq=ext2fsd&hl=de&sa=X&ved=0ahUKEwiBhv6lnYvdAhXkMewKHVrNDKgQ6AEIMzAB#v=one

Discover how to leverage modern Unix even if you’ve never worked with Unix before. This book presents everything in conceptual terms that you can understand, rather than tips to be committed raw to memory. You will learn everyday tasks ranging from basic…