“cat: write error: No space left on device” when I write to a character device using “cat”?

I am trying to use VS1053, an audio decoder, on Linux 4.14 to play music. This device communicate through SPI bus, a...

Directory Inode vs Regular File Inode?

What values in the inode struct of the linux kernel can I look at to tell if the inode I am currently looking at is ...

What is the difference between a disk block and a sector??

I know that a sector is the unit in which a track is splitted, but I had this doubt since I was looking for informat...

How to get the actual directory size (out of du)??

How do I get the actual directory size, using UNIX/Linux standard tools? Alternative question: How do I get du to s...