Find files in Unix

Find files in Unix

> FIND FILES THAT WERE MODIFIED/ACCESSED WITHIN A SPECIFIED TIME
            $   find  /<your path>  -mtime   1  -type   f
This command would return files modified  in the last 24 hours .
You can use -mtime option to return a list of files that were last modified N*24 hours ago. For example to find a file in last month (30 days) you would need to use -mtime +30 options.

-mtime +30   means you are looking for a file modified 30 days ago.
-mtime -30    means less than 30 days.
-mtime 30      If you skip + or – it means exactly 30 days
      -type f      searches only for files and not directories
 
To list the files in the directory tree that were modified within the past five minutes, type
$  find /<your path>  -mmin -5
 
To return a list of files that were accessed in the last 24 hours you would need to use the–atime option.
$  find  /<your path>   -atime   1  -type   f  

> FINDING FILES WITH A SPECIFIC EXTENTION WITHIN A DIRECTORY
         $  find   /<your path>   -name  “*.cfg”
The command –name matches the file names with the specified pattern
 

> FINDING FILES BASED ON THE FILE-PERMISSIONS
Files with execute permission for group :
$ find /<your path>  -perm g=x   -type f
Files with execute permission for others:
$ find /<your path>  -perm  o=x   -type f
Where ‘g’ denotes groups and ‘o’ denotes others. x denotes execute permission.