이것이 그 실력이 뛰어난다는
발레리나 강수진의 발
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An inode contains the following information about a file:
- The type of file and the access modes
- The UID and GID numbers of the file’s owner and group
- The size of the file
- The time the file was last accessed or modified, and the inode changed
- The total number of data blocks used by, or allocated to the file The inode contains two types of pointers:
direct pointers and indirect pointers.
There are 12 direct pointers, which refer directly to data blocks.
The 12 direct pointers can directly reference the data blocks for a file up to 96 Kbytes.
Indirect Pointers
The three types of indirect pointers are:
Single indirect pointer – A single indirect pointers refers to a file system block containing pointers to data blocks. This file system block contains 2048 additional addresses of 8-Kbyte data blocks, which can point to an additional 16 Mytes of data.
Double indirect pointer – A double indirect pointer refers to a file system
block containing single indirect pointers. Each indirect pointer refers to a
file system block containing the data block pointers. Double indirect
pointers points to an additional 32 Gbytes of data.
Triple indirect pointer – A triple indirect pointer can reference up to an dditional 70 Tbytes of data. However,
the maximum file size is limited to 1 Tbyte in a ufs file system.
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