Unix file systems typically use directories, inodes, and data blocks to organize the file system. Which information is stored in a directory and which information is stored in an inode?

Which part of the cpu accepts data?

Least square fit to polynomial write a function leastsquarefit3pol that solves a linear system of equations to find a least squares fit of a third order polynomial to an experimental data set given as two row arrays. the function leastsquarefit3pol must explicitly solve a set of linear equations and cannot use polyfit. there should be no restriction on the size of the problem that can be solved.

Uget brainliest if accurate mary has been given the responsibility of hiring a person for the position of a software testing officer. which management function would mary achieve this responsibility?