I need to know how to exactly computed record rec_len. How it is count ?
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the inode is
4bytes+1byteof the file_type +1byteof the name_len +2bytesof the rec_len + name data which is1byteper character and the record must be padded to x4 ( 4 bytes boundaries ) that's why we add the"\0"for paddingfor the first example
.you have 4+1+1+2+4=12 and the same for others