No free space in /usr/sap

Hi all,
one of the drive in server /usr/sap is 100% full. it is AIX base system.
i want to check which file is consuming hom much space in that particular drive kindly help o
Thanx in advance
Koushal

Hi Chandru thanx 4 reply..
command given by you is only giving me space used at directory level not file level
0       ./lost+found
0       ./trans/lost+found
168     ./trans/tmp
0       ./trans/EPS/in
0       ./trans/EPS/out
0       ./trans/EPS/log
0       ./trans/EPS
40      ./trans/bin
70424   ./trans/buffer
476456 ./trans/cofiles
11797680        ./trans/data
0       ./trans/etc
23240216        ./trans/log
408     ./trans/sapnames
35585400        ./trans
0       ./seculib
4688    ./tmp
7384    ./R3T/DVEBMGS00/data/ATRAFILES
still i am not getting which file is consuming much space
Regards,
Koushal

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Best regards
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No free space in /usr/sap

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