在Windows系統中，我們可以使用TreeSize工具查找一些大文件或文件夾，非常的方便高效，在Linux系統中，如何去搜索一些比較大的文件呢？下面我整理了一下在Linux系統中如何查找大文件或文件夾的方法。

1： 如何查找大文件？

其實很多時候，你需要了解當前系統下有哪些大文件，比如文件大小超過100M或1G（閥值視具體情況而定）。那么如何把這些大文件搜索出來呢？例如我要搜索當前目錄下，超過800M大小的文件

[root@getlnx01 u03]# pwd

/u03

[root@getlnx01 u03]# find . -type f -size +800M

./Flash_recovery_area/backup/backupsets/ora_df873519197_s46815_s1

./flash_recovery_area/backup/backupsets/ora_df873523646_s46822_s1

./flash_recovery_area/backup/backupsets/ora_df873521714_s46818_s1

./flash_recovery_area/backup/backupsets/ora_df873522876_s46820_s1

./flash_recovery_area/backup/backupsets/ora_df873517396_s46813_s1

./flash_recovery_area/backup/backupsets/ora_df873523321_s46821_s1

./flash_recovery_area/backup/backupsets/ora_df873515765_s46811_s1

./flash_recovery_area/backup/backupsets/ora_df873520789_s46817_s1

./flash_recovery_area/backup/backupsets/ora_df873524162_s46823_s1

./flash_recovery_area/backup/backupsets/ora_df873518302_s46814_s1

./flash_recovery_area/backup/backupsets/ora_df873519953_s46816_s1

./flash_recovery_area/backup/backupsets/ora_df873516500_s46812_s1

./flash_recovery_area/backup/backupsets/ora_df873513413_s46809_s1

./flash_recovery_area/backup/backupsets/ora_df873514789_s46810_s1

./oradata/epps/invsubmat_d08.dbf

./oradata/epps/gmtinv_d08.dbf

./oradata/epps/gmtinv_x01.dbf

./oradata/epps/undotbs02.dbf

./oradata/epps/gmtinv_d07.dbf

./oradata/epps/undotbs01.dbf

./oradata/epps/gmtinv_x02.dbf

如上命令所示，我們僅僅能看到超過800M大小的文件的文件名稱，但是對文件的信息（例如，文件大小、文件屬性）一無所知，那么能否更詳細顯示一些文件屬性或信息呢，當然可以，如下所示

[root@getlnx01 u03]# find . -type f -size +800M -PRint0 | xargs -0 ls -l

-rw-r----- 1 Oracle oinstall 2782846976 Mar 6 11:51 ./flash_recovery_area/backup/backupsets/ora_df873513413_s46809_s1

-rw-r----- 1 oracle oinstall 1878433792 Mar 6 11:53 ./flash_recovery_area/backup/backupsets/ora_df873514789_s46810_s1

-rw-r----- 1 oracle oinstall 1378492416 Mar 6 11:54 ./flash_recovery_area/backup/backupsets/ora_df873515765_s46811_s1

-rw-r----- 1 oracle oinstall 1641381888 Mar 6 11:56 ./flash_recovery_area/backup/backupsets/ora_df873516500_s46812_s1

-rw-r----- 1 oracle oinstall 1564065792 Mar 6 11:58 ./flash_recovery_area/backup/backupsets/ora_df873517396_s46813_s1

-rw-r----- 1 oracle oinstall 1663492096 Mar 6 12:00 ./flash_recovery_area/backup/backupsets/ora_df873518302_s46814_s1

-rw-r----- 1 oracle oinstall 1368244224 Mar 6 12:02 ./flash_recovery_area/backup/backupsets/ora_df873519197_s46815_s1

-rw-r----- 1 oracle oinstall 1629069312 Mar 6 12:04 ./flash_recovery_area/backup/backupsets/ora_df873519953_s46816_s1

-rw-r----- 1 oracle oinstall 1629954048 Mar 6 12:06 ./flash_recovery_area/backup/backupsets/ora_df873520789_s46817_s1

-rw-r----- 1 oracle oinstall 1202192384 Mar 6 12:07 ./flash_recovery_area/backup/backupsets/ora_df873521714_s46818_s1

-rw-r----- 1 oracle oinstall 1189388288 Mar 6 12:10 ./flash_recovery_area/backup/backupsets/ora_df873522876_s46820_s1

-rw-r----- 1 oracle oinstall 1089257472 Mar 6 12:11 ./flash_recovery_area/backup/backupsets/ora_df873523321_s46821_s1

-rw-r----- 1 oracle oinstall 1097687040 Mar 6 12:12 ./flash_recovery_area/backup/backupsets/ora_df873523646_s46822_s1

-rw-r----- 1 oracle oinstall 1051009024 Mar 6 12:13 ./flash_recovery_area/backup/backupsets/ora_df873524162_s46823_s1

-rw-r----- 1 oracle oinstall 4294975488 Apr 3 15:07 ./oradata/epps/gmtinv_d07.dbf

-rw-r----- 1 oracle oinstall 4194312192 Apr 1 22:36 ./oradata/epps/gmtinv_d08.dbf

-rw-r----- 1 oracle oinstall 4294975488 Apr 3 15:54 ./oradata/epps/gmtinv_x01.dbf

-rw-r----- 1 oracle oinstall 4294975488 Apr 3 15:57 ./oradata/epps/gmtinv_x02.dbf

-rw-r----- 1 oracle oinstall 4294975488 Apr 1 22:35 ./oradata/epps/invsubmat_d08.dbf

-rw-r----- 1 oracle oinstall 8589942784 Apr 4 09:55 ./oradata/epps/undotbs01.dbf

-rw-r----- 1 oracle oinstall 8589942784 Apr 4 09:15 ./oradata/epps/undotbs02.dbf

當我們只需要查找超過800M大小文件，并顯示查找出來文件的具體大小，可以使用下面命令

[root@getlnx01 u03]# find . -type f -size +800M -print0 | xargs -0 du -h

1.3G ./flash_recovery_area/backup/backupsets/ora_df873519197_s46815_s1

1.1G ./flash_recovery_area/backup/backupsets/ora_df873523646_s46822_s1

1.2G ./flash_recovery_area/backup/backupsets/ora_df873521714_s46818_s1

1.2G ./flash_recovery_area/backup/backupsets/ora_df873522876_s46820_s1

1.5G ./flash_recovery_area/backup/backupsets/ora_df873517396_s46813_s1

1.1G ./flash_recovery_area/backup/backupsets/ora_df873523321_s46821_s1

1.3G ./flash_recovery_area/backup/backupsets/ora_df873515765_s46811_s1

1.6G ./flash_recovery_area/backup/backupsets/ora_df873520789_s46817_s1

1004M ./flash_recovery_area/backup/backupsets/ora_df873524162_s46823_s1

1.6G ./flash_recovery_area/backup/backupsets/ora_df873518302_s46814_s1

1.6G ./flash_recovery_area/backup/backupsets/ora_df873519953_s46816_s1

1.6G ./flash_recovery_area/backup/backupsets/ora_df873516500_s46812_s1

2.6G ./flash_recovery_area/backup/backupsets/ora_df873513413_s46809_s1

1.8G ./flash_recovery_area/backup/backupsets/ora_df873514789_s46810_s1

4.1G ./oradata/epps/invsubmat_d08.dbf

4.0G ./oradata/epps/gmtinv_d08.dbf

4.1G ./oradata/epps/gmtinv_x01.dbf

8.1G ./oradata/epps/undotbs02.dbf

4.1G ./oradata/epps/gmtinv_d07.dbf

8.1G ./orad