here is a simplified ufs-like file system design. blocks are 128 bytes. as usual, the superblock is in block 0. the superblock is followed by a number of bitmap blocks to keep track of the free blocks. bit 0 in the first bitmap block refers to the first block after the bitmap blocks. for this question, you can assume that there is just 1 bitmap block. when the o.s. starts up, it reads the superblock and the bitmap block and keeps a copy of those in memory.

Respuesta :

Using a file system, also known as a filesystem, a data storage device can store all of the data on it. The data are typically stored in computer file directories.

Typically, the files are kept on a physical device beneath the file system. This could be a hard drive, DVD, USB flash drive, or CD. Data flow between disk and main memory is facilitated by device drivers, which act as an interface between hardware and operating systems. It outputs a low-level hardware command and takes the block number as its input. Since deleting a file in one path erases the file in all other paths, multiple paths for the same file could be confusing to users and encourage mistakes.

A computer's electronic memory stores the data and instructions it needs to access quickly. It is the location where information is saved for later use. A computer would not be able to function properly without memory, which is one of its fundamental functions.

Your computer has both read-only memory (ROM) and random access memory (RAM), both of which are present. The files you're working on are temporarily stored in volatile RAM. Instructions for your computer are permanently stored in non-volatile memory (ROM).

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