Reprinted URL http://blog.sina.com.cn/s/blog_63ec18bc01016dyz.html
Find directory: find / (Look) -name 'Find keywords' -type d
Find files: find / (Look) -name -print Find Keyword
If you need a better understanding, you can see Linux commands Detailed.
Here excerpt follows:
·find path -option [ -print ] [ -exec -ok command ] {} /;
# -Print will find the files to standard output
# -Exec command {} /; ----- found in the operation command file execution, and {} /; spaces between
# -Ok and -exec same, but before the operation to the user query
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-name filename # find the file called filename
-perm # execute permission to search by
-user username # Press to locate the file owner
-group groupname # in groups to find
-mtime -n + n # by file to change the time to find the file, -n refers to within n days, + n n refers days ago
-atime -n + n # by file access times to check
-perm # execute permission to search by
-user username # Press to locate the file owner
-group groupname # in groups to find
-mtime -n + n # by file to change the time to find the file, -n refers to within n days, + n n refers days ago
-atime -n + n # by file access times to find the file, -n refers to within n days, + n n refers days ago
Before -ctime -n + n # by file creation time to find the file, -n refers to within n days, + n refers to n days
-nogroup # investigation file without a valid genus group is a group that is not present in the file / etc / groups in
-nouser # investigation file without a valid owner, i.e. the owner of the file does not exist in the / etc / passwd in
-newer f1! f2 find the file, -n refers to within n days, + n n refers days ago
Before -ctime -n + n # by file creation time to find the file, -n refers to within n days, + n refers to n days
-nogroup # investigation file without a valid genus group is a group that is not present in the file / etc / groups in
-nouser # investigation file without a valid owner, i.e. the owner of the file does not exist in the / etc / passwd in
-newer f1! f2 # check for changes longer than f1 f2 than the new but the old files
-type b / d / c / p / l / f # search block device, directory, character devices, pipes, symbolic links, Trivial File
-size n [c] # search block length n [n bytes or] file
-depth # make finding before entering subdirectory complete catalog look-ahead
-fstype # check for changes longer than f1 f2 than the new but the old files
-type b / d / c / p / l / f # search block device, directory, character devices, pipes, symbolic links, Trivial File
-size n [c] # search block length n [n bytes or] file
-depth # make finding before entering subdirectory complete catalog look-ahead
-fstype # check files that are located a certain type of file system, the file system type is usually in the / etc / fstab found
Do not cross file system mount points -mount # check file
-follow # If you encounter a symbolic link file, it referred to the trace file links
-cpio # check files that are located a certain type of file system, the file system type is usually in the / etc / fstab found
Do not cross file system mount points -mount # check file
-follow # If you encounter a symbolic link file, it referred to the trace file links
-cpio # matching files using cpio command, they will be backed up to tape devices
-prune #忽略某个目录
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$find ~ -name "*.txt" -print #在$HOME中查.txt文件并显示
$find . -name "*.txt" -print
$find . -name "[A-Z]*" -pri26nbsp; #对匹配的文件使用cpio命令，将他们备份到磁带设备中
-prune #忽略某个目录
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$find ~ -name "*.txt" -print #在$HOME中查.txt文件并显示
$find . -name "*.txt" -print
$find . -name "[A-Z]*" -print #查以大写字母开头的文件
$find /etc -name "host*" -print #查以host开头的文件
$find . -name "[a-z][a-z][0--9][0--9].txt" -print #查以两个小写字母和两个数字开头的txt文件
$find . -perm 755 -print
$find . -perm -007 -exec ls -l {} /; #查所有用户都可读写执行的文件同-perm 777
$find . -type d -print
$find . ! -type d -print
$find . -type l -print
$find . -size +1000000c -print #查长度大于1Mb的文件
$find . -size 100c -print # 查长度为100c的文件
$find . -size +10 -print #查长度超过期作废10块的文件（1块=512字节）
$cd /
$find etc home apps -depth -print | cpio -ivcdC65536 -o /dev/rmt0
$find /etc -name "passwd*" -exec grep "cnscn" {} /; #看是否存在cnscn用户
$find . -name "yao*" | xargs file
$find . -name "yao*" | xargs echo "" > /tmp/core.log
$find . -name "yao*" | xargs chmod o-w
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find -name april* 在当前目录下查找以april开始的文件
find -name april* fprint file 在当前目录下查找以april开始的文件，并把结果输出到file中
find -name ap* -o -name may* 查找以ap或may开头的文件
find /mnt -name tom.txt -ftype vfat 在/mnt下查找名称为tom.txt且文件系统类型为vfat的文件
find /mnt -name t.txt ! -ftype vfat 在/mnt下查找名称为tom.txt且文件系统类型不为vfat的文件
find /tmp -name wa* -type l 在/tmp下查找名为wa开头且类型为符号链接的文件
find /home -mtime -2 在/home下查最近两天内改动过的文件
find /home -atime -1 查1天之内被存取过的文件
find /home -mmin +60 在/home下查60分钟前改动过的文件
find /home -amin +30 查最近30分钟前被存取过的文件
find /home -newer tmp.txt 在/home下查更新时间比tmp.txt近的文件或目录
find /home -anewer tmp.txt 在/home下查存取时间比tmp.txt近的文件或目录
find /home -used -2 列出文件或目录被改动过之后，在2日内被存取过的文件或目录
find /home -user cnscn 列出/home目录内属于用户cnscn的文件或目录
find /home -uid +501 列出/home目录内用户的识别码大于501的文件或目录
find /home -group cnscn 列出/home内组为cnscn的文件或目录
find /home -gid 501 列出/home内组id为501的文件或目录
find /home -nouser 列出/home内不属于本地用户的文件或目录
find /home -nogroup 列出/home内不属于本地组的文件或目录
find /home -name tmp.txt -maxdepth 4 列出/home内的tmp.txt 查时深度最多为3层
find /home -name tmp.txt -mindepth 3 从第2层开始查
find /home -empty 查找大小为0的文件或空目录
find /home -size +512k 查大于512k的文件
find /home -size -512k 查小于512k的文件
find /home -links +2 查硬连接数大于2的文件或目录
find /home -perm 0700 查权限为700的文件或目录
find /tmp -name tmp.txt -exec cat {} /;
find /tmp -name tmp.txt -ok rm {} /;
find / -amin -10 # 查找在系统中最后10分钟访问的文件
find / -atime -2 # 查找在系统中最后48小时访问的文件
find / -empty # 查找在系统中为空的文件或者文件夹
find / -group cat # 查找在系统中属于 groupcat的文件
find / -mmin -5 # 查找在系统中最后5分钟里修改过的文件
find / -mtime -1 #查找在系统中最后24小时里修改过的文件
find / -nouser #查找在系统中属于作废用户的文件
find / -user fred #查找在系统中属于FRED这个用户的文件
查当前目录下的所有普通文件
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# find . -type f -exec ls -l {} /;
-rw-r--r-- 1 root root 34928 2003-02-25 ./conf/httpd.conf
-rw-r--r-- 1 root root 12959 2003-02-25 ./conf/magic
-rw-r--r-- 1 root root 180 2003-02-25 ./conf.d/README
查当前目录下的所有普通文件，并在- e x e c选项中使用ls -l命令将它们列出
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在/ l o g s目录中查找更改时间在5日以前的文件并删除它们：
$ find logs -type f -mtime +5 -exec -ok rm {} /;
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查询当天修改过的文件
[root@book class]# find ./ -mtime -1 -type f -exec ls -l {} /;
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查询文件并询问是否要显示
[root@book class]# find ./ -mtime -1 -type f -ok ls -l {} /;
< ls ... ./classDB.inc.php > ? y
-rw-r--r-- 1 cnscn cnscn 13709 1月 12 12:22 ./classDB.inc.php
[root@book class]# find ./ -mtime -1 -type f -ok ls -l {} /;
< ls ... ./classDB.inc.php > ? n
[root@book class]#
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查询并交给awk去处理
[root@book class]# who | awk '{print $1"/t"$2}'
cnscn pts/0
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awk---grep---sed
[root@book class]# df -k | awk '{print $1}' | grep -v 'none' | sed s"///dev////g"
文件系统
sda2
sda1
[root@book class]# df -k | awk '{print $1}' | grep -v 'none'
文件系统
/dev/sda2
/dev/sda1
1)在/tmp中查找所有的*.h，并在这些文件中查找“SYSCALL_VECTOR"，最后打印出所有包含"SYSCALL_VECTOR"的文件名
A) find /tmp -name "*.h" | xargs -n50 grep SYSCALL_VECTOR
B) grep SYSCALL_VECTOR /tmp/*.h | cut -d':' -f1| uniq > filename
C) find /tmp -name "*.h" -exec grep "SYSCALL_VECTOR" {} /; -print
2)find / -name filename -exec rm -rf {} /;
find / -name filename -ok rm -rf {} /;
3)比如要查找磁盘中大于3M的文件：
find . -size +3000k -exec ls -ld {} ;
4)将find出来的东西拷到另一个地方
find *.c -exec cp '{}' /tmp ';'
如果有特殊文件，可以用cpio，也可以用这样的语法：
find dir -name filename -print | cpio -pdv newdir
6)查找2004-11-30 16:36:37时更改过的文件
# A=`find ./ -name "*php"` | ls -l --full-time $A 2>/dev/null | grep "2004-11-30 16:36:37"
