sudo du -s * | sort -nr | head   显示前10个占用空间最大的文件或目录sudo du --max-depth=1             linux查找占空间最大的文件与目录  sudo find / -size +204800        这样可以查找出大于100M的文件,按需求删除就可sudo find ./ -size +2048c             查找大于2K的文件，+ 表示大于sudo find ./ -size +2048c -type f     查找小于2K的文件，- 表示小于

demo

[root@gtone ~]# find / -size +204800/softs/apginstall.bin/proc/kcorefind: /proc/3643/task/3643/fd/4: No such file or directoryfind: /proc/3643/task/3643/fdinfo/4: No such file or directoryfind: /proc/3643/fd/4: No such file or directoryfind: /proc/3643/fdinfo/4: No such file or directory/u01/app/oracle/oradata/ORCL/AppGov_oradata_01.dbf/u01/app/oracle/oradata/ORCL/example01.dbf/u01/app/oracle/oradata/ORCL/sysaux01.dbf/u01/app/oracle/oradata/ORCL/temp01.dbf/u01/app/oracle/oradata/ORCL/system01.dbf/u01/app/oracle/oradata/ORCL/undotbs01.dbf/u01/app/oracle/product/11.2.0/db_1/lib/libserver11.a/u01/app/oracle/product/11.2.0/db_1/assistants/dbca/templates/Seed_Database.dfb/u01/app/oracle/product/11.2.0/db_1/bin/oracle/u01/app/oracle/product/11.2.0/db_1/javavm/admin/classes.bin/home/oracle/dmp_dir/20141001_CQBANK_BAK.dmp/home/oracle/dmp_dir/local_true.dmp/home/gtone/AppGov/analyzer/server/CE/nohup.out.bak/home/gtone/AppGov/analyzer/log/20140930/20140930000042.log/home/gtone/AppGov/analyzer/log/20141001/20141001000063.log/home/gtone/AppGov/itpweb/log/jwizard.log.2014-09-26/home/gtone/code/source.zip/home/gtone/code/AppGov.zip/home/gtone/code/precise_960_GA.zip[root@gtone ~]#