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#!/bin/sh
# =====================================
# Version  2.0   SPACE
# Sort By Size
# =====================================
clear;
echo "";
echo "";
echo "";
df -k ;
APW=`pwd`

#for Sun Server
#du -ok . 2>/dev/null | nawk -F/ -v pas=$APW '
#for Linux Server
du -Sk . 2>/dev/null | awk -F/ -v pas=$APW '
    BEGIN {
                    print  "\t\t\t---------------------------";
                    print  "\t\t\t DIsk Usae of current Dir";
                    print  "\t\t\t--------------------------";
                    printf "\t\t\t [%s] \n\n", pas;

                    printf"\t\t----------------------------------------------------\n"
                    printf"\t\t%-20s : %10s   : %10s \n","DIRNAME", "SIZE (MB)","Subdir cnt";
                    printf"\t\t----------------------------------------------------\n"
               tots=0;
               tcnt=0;
               i=0;
           }
           {
                pos=index($1, ".");
                size=substr($1,1, pos-1);

                tcnt++;
                tots+=size;

                if ( NR ==1 )
                {
                    dirs=$2;
                    dsize=0;
                    dcnt=0;
                }

                if ( dirs == $2 )
                {
                    dsize+=size;
                    dcnt++;
                }
                else
                {
                  # printf"\t\t%-20s : %10.2fMB : %10d \n",dirs, dsize/1024, dcnt;
                    DIR[i]= dirs;
                    Dsize[i]=dsize/1024;
                    Dcnt[i]=dcnt;

                    dirs=$2;
                    dsize=size;
                    dcnt=1;
                    i = i + 1;
                }

            }
        END {
                    DIR[i]  = "./";
                    Dsize[i]=dsize/1024;
                    Dcnt[i]=dcnt;

                    # SORT SECTION
                    for ( j=0; j<i ; j++ )
                    {
                        for ( k=j+1; k<=i ; k++ )
                        {
                           if ( Dsize[j] > Dsize [k]){
                               tmp1=DIR[j];
                               tmp2=Dsize[j];
                               tmp3=Dcnt[j];

                               DIR[j]=DIR[k];
                               Dsize[j]=Dsize[k];
                               Dcnt[j]=Dcnt[k];

                               DIR[k]=tmp1;
                               Dsize[k]=tmp2;
                               Dcnt[k]=tmp3;
                           }
                        }
                    }

                    # PRINT SECTION
                    for ( j=0; j<=i ; j++ )
                    {
                        printf"\t\t%-20s : %10.2fMB : %10d \n",DIR[j], Dsize[j], Dcnt[j];
                    }
                    printf"\t\t----------------------------------------------------\n"
                    printf"\t\t%-20s : %10.2fMB : %10d \n","TOTALSIZE", tots/1024, tcnt;
                    printf"\t\t----------------------------------------------------\n"
                    printf"\t\t      --  Copy Right @ Choi Doo Rip  2001 01 09  --  \n"

            }'

출처: http://blog.naver.com/couplewith?Redirect=Log&logNo=60006771096

테스트 결과:

파일시스템           1K-블럭 사용됨 사용가능 사용% 마운트 됨
/dev/sda1            234529248  30103840 192512008  14% /
udev                   1011560       260   1011300   1% /dev
none                   1011560       708   1010852   1% /dev/shm
none                   1011560       164   1011396   1% /var/run
none                   1011560         0   1011560   0% /var/lock
none                   1011560         0   1011560   0% /lib/init/rw
                        ---------------------------
                         DIsk Usae of current Dir
                        --------------------------
                         [/home] 

                ----------------------------------------------------
                DIRNAME              :  SIZE (MB)   : Subdir cnt 
                ----------------------------------------------------
                ./                   :       0.00MB :          1 
                byoungguk            :    8614.42MB :        863 
                ----------------------------------------------------
                TOTALSIZE            :    8614.42MB :        864 
                ----------------------------------------------------
                      --  Copy Right @ Choi Doo Rip  2001 01 09  --