> df(1) is missing the standard options to display size units in > Megabytes or Gigabytes.
alias df_m="df | perl -e '<>; print ("Filesystem 1M-blocks Used
Available Capacity Mounted on\n"); while ($i=<>) { $i =~ /^(.*?) +(\d+) +(\d+)
+(\d+)(.*)/; printf ("%s % 13d % 10d %
11d%s\n",$1,int($2/2048),int($3/2048),int($4/2048),$5); }'"
