In linux, THE top Command calculates the memory size used by each user.

In linux, the top command is used to calculate the memory size of each user. The script content is as follows: www.2cto.com #! /Bin/shif test $ #-eq 2 then username = $1 resindex = $2 summ = 'top-n 1-u $ username | awk-v res = $ resindex '$ res ~ /M $/{print substr ($ res, 0, index ($ res, "m")-1 )} '| awk' BEGIN {sum = 0} {sum + = $1} END {print sum} 'echo "user $1 used memory sum = $ summ m" else echo" usage: $0 <username> <res-index> "exitfi is written in a simple way. Values smaller than 1 MB cannot be calculated. You can optimize it. Or there is a simple way.