This is one of my favorite commands. You can sort files size in a directory in a descending order. Just type below command and get the result. Awesome!
# du -kh * | sort -n
0 kill.sap
0 last_update_wdispadmin.txt
0 logsave.bin
0 sapstart.sem
0 shutdown.sap
1.2M admin
2.9M dev_icm_sec_5
4.0K available.log
4.0K dev_icmbnd
4.0K dev_sapstart
4.0K dev_sldregs
4.0K INSTSTAT
4.0K sapstart0.trc
4.0K sapstart.log
4.0K sapstartsrv.log
4.0K sapstartsrv.old
4.0K stderr0
4.0K stdout0
4.5M dev_icm_sec_4
8.0K admin/public/images/cmenu
12K admin/public/images/treeview
12K admin/publicincl
12K sapstartsrv_sld.xml
14M dev_webdisp
17M dev_icm_sec
17M dev_icm_sec_1
20K admin/public/js
20M dev_icm_sec_6
30M dev_icm_sec_3
31M dev_icm_sec_7
44K admin/public/icons
44K admin/publicicp
60K admin/public/images/hbrowser
64K admin/public/images/tableview
110M dev_icm_sec_2
224K admin/public/images
308K dev_icm_sec_13
396K admin/icp
428K admin/public/css
512K dev_icm_sec_10
512K dev_icm_sec_11
512K dev_icm_sec_12
512K dev_icm_sec_9
748K admin/public
888K dev_icm_sec_8
940K dev_webdisp.old
