Unix IPC Question:

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What is i-node numbers?

Unix Inter-Process Communication (IPC) Interview Question
Unix Inter-Process Communication (IPC) Interview Question

Answer:

File is identified by the I-node number in linux.Kernel uses
inode number to access the file. It is unique for the
perticular filesystem. Inode contains all the information
about the file like , file size, access permissions, time
stamp , uid , gid , pointers to data blocks..etc.

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