#!/bin/bash
t="$(uptime | awk -F'( |,|:)+' '{
  d=h=m=0;
  if ($7=="min")
    m=$6;
  else {
    if ($7~/^day/) { d=$6; h=$8; m=$9}
    else {h=$6;m=$7}
    }
  }
  {
    print d*24+h+0,":",m+0
  }' | sed 's/ //g')"

t1="$(uptime | sed 's/ up.*/ up/')"
uptime | sed 's/users/user/' | sed "s/^[^,]*,*/${t1} ${t},/" | sed -e 's/^[ \t]*//'
# uptime line1
grep 'cpu' /proc/stat
# greps every line with cpu in it from /proc/stat
ps -eo %mem,%cpu,pid,comm,args --sort=-%mem | head -7 | tail -6 | sed -e 's/^[ \t]*//'
#gets the 6 processes that use the most memory
free -m | sed -n '1p;2p;4p' | sed 's/buffers/buff\/cache/'
#provides information about the phycical and virtual memory