If you find root only
find /. -size +100M
-size n[cwbkMG]
File uses n units of space. The following suffixes can be used:
‘b’ for 512-byte blocks (this is the default if no suffix is used)
‘c’ for bytes
‘w’ for two-byte words
‘k’ for Kilobytes (units of 1024 bytes)
‘M’ for Megabytes (units of 1048576 bytes)
‘G’ for Gigabytes (units of 1073741824 bytes)
The size does not count indirect blocks, but it does count blocks in sparse files that are not
actually allocated. Bear in mind that the ‘%k’ and ‘%b’ format specifiers of -printf handle
sparse files differently. The ‘b’ suffix always denotes 512-byte blocks and never 1 Kilobyte
blocks, which is different to the behaviour of -ls.
-true Always true.
If you want to find in perticuler other directory.
find /usr/local/ -size +100M
find /var/ -size +100M
find /mnt/ -size +100M
find /opt/ -size +100M
Daywise find.file modified 6 days ago.
find /var/ -mtime 6
Show all files which is modified with in 24 hours.
find /. -atime +1
TESTS
Numeric arguments can be specified as
+n for greater than n,
-n for less than n,
n for exactly n.
-amin n
File was last accessed n minutes ago.
-anewer file
File was last accessed more recently than file was modified. If file is a symbolic link and the
-H option or the -L option is in effect, the access time of the file it points to is always used.
-atime n
File was last accessed n*24 hours ago. When find figures out how many 24-hour periods ago the
file was last accessed, any fractional part is ignored, so to match -atime +1, a file has to have
been accessed at least two days ago.
-cmin n
File’s status was last changed n minutes ago.
-cnewer file
File’s status was last changed more recently than file was modified. If file is a symbolic link
and the -H option or the -L option is in effect, the status-change time of the file it points to
is always used.
-ctime n
File’s status was last changed n*24 hours ago. See the comments for -atime to understand how
rounding affects the interpretation of file status change times.
-empty File is empty and is either a regular file or a directory.
-false Always false.
-fstype type
File is on a filesystem of type type. The valid filesystem types vary among different versions of
Unix; an incomplete list of filesystem types that are accepted on some version of Unix or another
-ilname pattern
Like -lname, but the match is case insensitive. If the -L option or the -follow option is in
effect, this test returns false unless the symbolic link is broken.
-iname pattern
Like -name, but the match is case insensitive. For example, the patterns ‘fo*’ and ‘F??’ match
the file names ‘Foo’, ‘FOO’, ‘foo’, ‘fOo’, etc. In these patterns, unlike filename expansion by
the shell, an initial ’.’ can be matched by ’*’. That is, find -name *bar will match the file
‘.foobar’. Please note that you should quote patterns as a matter of course, otherwise the shell
will expand any wildcard characters in them.
-inum n
File has inode number n. It is normally easier to use the -samefile test instead.
-ipath pattern
Behaves in the same way as -iwholename. This option is deprecated, so please do not use it.
-iregex pattern
Like -regex, but the match is case insensitive.
-iwholename pattern
Like -wholename, but the match is case insensitive.
-links n
File has n links.
-lname pattern
File is a symbolic link whose contents match shell pattern pattern. The metacharacters do not
treat ‘/’ or ‘.’ specially. If the -L option or the -follow option is in effect, this test
returns false unless the symbolic link is broken.
-lname pattern
File is a symbolic link whose contents match shell pattern pattern. The metacharacters do not
treat ‘/’ or ‘.’ specially. If the -L option or the -follow option is in effect, this test
returns false unless the symbolic link is broken.
-mmin n
File’s data was last modified n minutes ago.
-mtime n
File’s data was last modified n*24 hours ago. See the comments for -atime to understand how
rounding affects the interpretation of file modification times.
-name pattern
Base of file name (the path with the leading directories removed) matches shell pattern pattern.
The metacharacters (‘*’, ‘?’, and ‘[]’) match a ‘.’ at the start of the base name (this is a
change in findutils-4.2.2; see section STANDARDS CONFORMANCE below). To ignore a directory and
the files under it, use -prune; see an example in the description of -wholename. Braces are not
recognised as being special, despite the fact that some shells including Bash imbue braces with a
special meaning in shell patterns. The filename matching is performed with the use of the
fnmatch(3) library function. Don’t forget to enclose the pattern in quotes in order to protect
it from expansion by the shell.
-newer file
File was modified more recently than file. If file is a symbolic link and the -H option or the -L
option is in effect, the modification time of the file it points to is always used.
-nouser
No user corresponds to file’s numeric user ID.
-nogroup
No group corresponds to file’s numeric group ID.
-path pattern
See -wholename. The predicate -path is also supported by HP-UX find.
-perm mode
File’s permission bits are exactly mode (octal or symbolic). Since an exact match is required, if
you want to use this form for symbolic modes, you may have to specify a rather complex mode
string. For example ’-perm g=w’ will only match files which have mode 0020 (that is, ones for
which group write permission is the only permission set). It is more likely that you will want to
use the ’/’ or ’-’ forms, for example ’-perm -g=w’, which matches any file with group write per-
:
find /. -size +100M
-size n[cwbkMG]
File uses n units of space. The following suffixes can be used:
‘b’ for 512-byte blocks (this is the default if no suffix is used)
‘c’ for bytes
‘w’ for two-byte words
‘k’ for Kilobytes (units of 1024 bytes)
‘M’ for Megabytes (units of 1048576 bytes)
‘G’ for Gigabytes (units of 1073741824 bytes)
The size does not count indirect blocks, but it does count blocks in sparse files that are not
actually allocated. Bear in mind that the ‘%k’ and ‘%b’ format specifiers of -printf handle
sparse files differently. The ‘b’ suffix always denotes 512-byte blocks and never 1 Kilobyte
blocks, which is different to the behaviour of -ls.
-true Always true.
If you want to find in perticuler other directory.
find /usr/local/ -size +100M
find /var/ -size +100M
find /mnt/ -size +100M
find /opt/ -size +100M
Daywise find.file modified 6 days ago.
find /var/ -mtime 6
Show all files which is modified with in 24 hours.
find /. -atime +1
TESTS
Numeric arguments can be specified as
+n for greater than n,
-n for less than n,
n for exactly n.
-amin n
File was last accessed n minutes ago.
-anewer file
File was last accessed more recently than file was modified. If file is a symbolic link and the
-H option or the -L option is in effect, the access time of the file it points to is always used.
-atime n
File was last accessed n*24 hours ago. When find figures out how many 24-hour periods ago the
file was last accessed, any fractional part is ignored, so to match -atime +1, a file has to have
been accessed at least two days ago.
-cmin n
File’s status was last changed n minutes ago.
-cnewer file
File’s status was last changed more recently than file was modified. If file is a symbolic link
and the -H option or the -L option is in effect, the status-change time of the file it points to
is always used.
-ctime n
File’s status was last changed n*24 hours ago. See the comments for -atime to understand how
rounding affects the interpretation of file status change times.
-empty File is empty and is either a regular file or a directory.
-false Always false.
-fstype type
File is on a filesystem of type type. The valid filesystem types vary among different versions of
Unix; an incomplete list of filesystem types that are accepted on some version of Unix or another
-ilname pattern
Like -lname, but the match is case insensitive. If the -L option or the -follow option is in
effect, this test returns false unless the symbolic link is broken.
-iname pattern
Like -name, but the match is case insensitive. For example, the patterns ‘fo*’ and ‘F??’ match
the file names ‘Foo’, ‘FOO’, ‘foo’, ‘fOo’, etc. In these patterns, unlike filename expansion by
the shell, an initial ’.’ can be matched by ’*’. That is, find -name *bar will match the file
‘.foobar’. Please note that you should quote patterns as a matter of course, otherwise the shell
will expand any wildcard characters in them.
-inum n
File has inode number n. It is normally easier to use the -samefile test instead.
-ipath pattern
Behaves in the same way as -iwholename. This option is deprecated, so please do not use it.
-iregex pattern
Like -regex, but the match is case insensitive.
-iwholename pattern
Like -wholename, but the match is case insensitive.
-links n
File has n links.
-lname pattern
File is a symbolic link whose contents match shell pattern pattern. The metacharacters do not
treat ‘/’ or ‘.’ specially. If the -L option or the -follow option is in effect, this test
returns false unless the symbolic link is broken.
-lname pattern
File is a symbolic link whose contents match shell pattern pattern. The metacharacters do not
treat ‘/’ or ‘.’ specially. If the -L option or the -follow option is in effect, this test
returns false unless the symbolic link is broken.
-mmin n
File’s data was last modified n minutes ago.
-mtime n
File’s data was last modified n*24 hours ago. See the comments for -atime to understand how
rounding affects the interpretation of file modification times.
-name pattern
Base of file name (the path with the leading directories removed) matches shell pattern pattern.
The metacharacters (‘*’, ‘?’, and ‘[]’) match a ‘.’ at the start of the base name (this is a
change in findutils-4.2.2; see section STANDARDS CONFORMANCE below). To ignore a directory and
the files under it, use -prune; see an example in the description of -wholename. Braces are not
recognised as being special, despite the fact that some shells including Bash imbue braces with a
special meaning in shell patterns. The filename matching is performed with the use of the
fnmatch(3) library function. Don’t forget to enclose the pattern in quotes in order to protect
it from expansion by the shell.
-newer file
File was modified more recently than file. If file is a symbolic link and the -H option or the -L
option is in effect, the modification time of the file it points to is always used.
-nouser
No user corresponds to file’s numeric user ID.
-nogroup
No group corresponds to file’s numeric group ID.
-path pattern
See -wholename. The predicate -path is also supported by HP-UX find.
-perm mode
File’s permission bits are exactly mode (octal or symbolic). Since an exact match is required, if
you want to use this form for symbolic modes, you may have to specify a rather complex mode
string. For example ’-perm g=w’ will only match files which have mode 0020 (that is, ones for
which group write permission is the only permission set). It is more likely that you will want to
use the ’/’ or ’-’ forms, for example ’-perm -g=w’, which matches any file with group write per-
:
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