查找目录名autobackup,并且列出路径:find -name ‘autobackup’-type d
find -name ‘directoryname’-type d
Linux find
find命令用来查找在所在目录相对路径下的文件。任何位于参数之前的字符串都将被视为欲查找的目录名。如果使用该命令时,不设置任何参数,则find命令将在当前目录下查找子目录与文件。并且将查找到的子目录和文件全部进行显示。
语法:
find path -option 文件名 [ 动作]
常见参数:
-mount, -xdev : 只检查和指定目录在同一个文件系统下的文件,避免列出其它文件系统中的文件
-amin n : 在过去 n 分钟内被读取过
-anewer file : 比文件 file 更晚被读取过的文件
-atime n : 在过去n天内被读取过的文件
-cmin n : 在过去 n 分钟内被修改过
-cnewer file :比文件 file 更新的文件
-ctime n : 在过去n天内被修改过的文件
-empty : 空的文件-gid n or -group name : gid 是 n 或是 group 名称是 name
-ipath p, -path p : 路径名称符合 p 的文件,ipath 会忽略大小写
-name name, -iname name : 文件名称符合 name 的文件。iname 会忽略大小写
-size n : 文件大小 是 n 单位,b 代表 512 位元组的区块,c 表示字元数,k 表示 kilo bytes,w 是二个位元组。-type c : 文件类型是 c 的文件。
动作:
-detele 删除文件
-exec command {} \; 执行命令,花括号代表当前文件
-ls 列出当前文件, ls dils 格式
-print 完整的文件名并添加一个回车换行符
-print 0 打印完整的文件名并不添加一个回车换行符
-printf format 打印格式
其他字符:
!取反
-or o 逻辑 或
-and 逻辑 和
实例:
将目前目录及其子目录下所有最近5天内更新过的文件列出 find . -ctime -5
将目前文件及子目录下名为1.py的文件列出来 find . -name 1.py
将当前目录下及子目录文件名后缀.py的文件全部列出 find . -name *.py
查找指定文件类型的文件名: find /data/dev -name app -type d
查找文件名并且文件类型删除: find /data/dev -name app -type d -delete
查找文件权限是664: # find . -perm 664
查找大于1024k的文件: # find . -size -1024k
查找3天内修改的文件: find . -ctime -3
只显示第一级目录: # find /etc -type d -maxdepth 1
查找目录名autobackup,并且列出路径:find -name ‘autobackup’-type d
find -name ‘directoryname’-type d
转载于:https://www.cnblogs.com/feiyue-zh/p/7793113.html
Linux系统下查找大文件或目录的技巧
命令行如下
find . -type f -size +1000000k
Linux系统下查找大文件或目录的技巧
当硬盘空间不够时,我们就很关心哪些目录或文件比较大,看看能否干掉一些了,怎么才能知道呢?#已易读的格式显示指定目录或文件的大小,-s选项指定对于目录不详细显示每个子目录或文件的大小
du -sh [dirname|filename]
如:
当前目录的大小:
du -sh .
当前目录下个文件或目录的大小:
du -sh *
[root@td-agtfl2 var]# du -sh *
12K account
1.7M cache
16K crash
28K db
28K empty
16K ftp
12K gdm
3.7G lib
8.0K local
36K lock
13M log
16K lost+found
4.0K mail
8.0K net-snmp
8.0K nis
8.0K opt
8.0K preserve
240K run
14M spool
12K tmp
8.0K tux
2.1M www
24K yp显示前10个占用空间最大的文件或目录:
du -s * | sort -nr | head
用root到/目录下去利用命令
du -s -h ./*
查看哪个目录占用了这么多的磁盘,如果找到后,依次进入那个目录,利用相同的办法,就能定位到文件上去。
本文转自 杰思 51CTO博客,原文链接:http://blog.51cto.com/12700807/1916866
在Windows系统中,我们可以使用TreeSize工具查找一些大文件或文件夹,非常的方便高效,在Linux系统中,如何去搜索一些比较大的文件呢?下面我整理了一下在Linux系统中如何查找大文件或文件夹的方法。
1: 如何查找大文件?
其实很多时候,你需要了解当前系统下有哪些大文件,比如文件大小超过100M或1G(阀值视具体情况而定)。那么如何把这些大文件搜索出来呢?例如我要搜索当前目录下,超过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,我们仅仅能看到超过800M大小的文件的文件名称,但是对文件的信息(例如,文件大小、文件属性)一无所知,那么能否更详细显示一些文件属性或信息呢,当然可以,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
当我们只需要查找超过800M大小文件,并显示查找出来文件的具体大小,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 ./oradata/epps/undotbs01.dbf
4.1G ./oradata/epps/gmtinv_x02.dbf
如果你还需要对查找结果按照文件大小做一个排序,那么可以使用下面命令
[root@getlnx01 u03]# find . -type f -size +800M -print0 | xargs -0 du -h | sort -nr
1004M ./flash_recovery_area/backup/backupsets/ora_df873524162_s46823_s1
8.1G ./oradata/epps/undotbs02.dbf
8.1G ./oradata/epps/undotbs01.dbf
4.1G ./oradata/epps/invsubmat_d08.dbf
4.1G ./oradata/epps/gmtinv_x02.dbf
4.1G ./oradata/epps/gmtinv_x01.dbf
4.1G ./oradata/epps/gmtinv_d07.dbf
4.0G ./oradata/epps/gmtinv_d08.dbf
2.6G ./flash_recovery_area/backup/backupsets/ora_df873513413_s46809_s1
1.8G ./flash_recovery_area/backup/backupsets/ora_df873514789_s46810_s1
1.6G ./flash_recovery_area/backup/backupsets/ora_df873520789_s46817_s1
1.6G ./flash_recovery_area/backup/backupsets/ora_df873519953_s46816_s1
1.6G ./flash_recovery_area/backup/backupsets/ora_df873518302_s46814_s1
1.6G ./flash_recovery_area/backup/backupsets/ora_df873516500_s46812_s1
1.5G ./flash_recovery_area/backup/backupsets/ora_df873517396_s46813_s1
1.3G ./flash_recovery_area/backup/backupsets/ora_df873519197_s46815_s1
1.3G ./flash_recovery_area/backup/backupsets/ora_df873515765_s46811_s1
1.2G ./flash_recovery_area/backup/backupsets/ora_df873522876_s46820_s1
1.2G ./flash_recovery_area/backup/backupsets/ora_df873521714_s46818_s1
1.1G ./flash_recovery_area/backup/backupsets/ora_df873523646_s46822_s1
1.1G ./flash_recovery_area/backup/backupsets/ora_df873523321_s46821_s1
不过如上截图所示,有时候排列的顺序并不完全是按大小一致,这个是因为du命令的参数h所致,你可以统一使用使用MB来显示,这样就能解决这个问题。到这里,这个在Linux系统查找大文件的命令已经非常完美了,当然如果你还有很多的需求,那么可以在这个命令上做修改、调整.
2: 如何查找Linux下的大目录
譬如有时候磁盘空间告警了,而你平时又疏于管理、监控文件的增长,那么我需要快速的了解哪些目录变得比较大,那么此时我们可以借助du命令来帮我们解决这个问题。
[root@getlnx01 u03]# du -h --max-depth=1
16K ./lost+found
33G ./flash_recovery_area
37G ./oradata
70G .
如果你想知道flash_recovery_area目录下面有哪些大文件夹,那么可以将参数max-depth=2 ,如果你想对搜索出来的结果进行排序,那么可以借助于sort命令。如下所示
[root@getlnx01 u03]# du -h --max-depth=2 | sort -n
3.5G ./flash_recovery_area/EPPS
16K ./lost+found
29G ./flash_recovery_area/backup
33G ./flash_recovery_area
37G ./oradata
37G ./oradata/epps
70G .
[root@getlnx01 u03]# du -hm --max-depth=2 | sort -n
1 ./lost+found
3527 ./flash_recovery_area/EPPS
29544 ./flash_recovery_area/backup
33070 ./flash_recovery_area
37705 ./oradata
37705 ./oradata/epps
70775 .
[root@getlnx01 u03]# cd /
[root@getlnx01 /]# du -hm --max-depth=2 | sort -n
有时候搜索出来的结果太多了(譬如,我从根目录开始搜索),一直在刷屏,如果我只想查出最大的12个文件夹,怎么办呢?此时就要借助head命令来显示了
[root@getlnx01 /]# du -hm --max-depth=2 | sort -nr | head -12
407480 .
167880 ./u04
158685 ./u02/oradata
158685 ./u02
152118 ./u04/oradata
70775 ./u03
37705 ./u03/oradata
33070 ./u03/flash_recovery_area
5995 ./u01/app
5995 ./u01
3551 ./usr
1558 ./usr/share
[root@getlnx01 /]#