What is the command for finding the highest memory occupied file in Linux ?

# du –ah / | sort –n –r | head –n 1

Option Explanations :du  – estimate file space usage

a – write counts for all files, not just directories

h – print sizes in human readable format (eg. 1K 234M 2G)

sort – sort lines of text files

n – compare according to string numerical value

r – reverse the result of comparisons

head – output the first part of files

n – number of lines