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One, view the properties of directories and files1,ls commandCommand format: LS "options" directory or file -L: Output in long format -D: View the properties of a directory 650) this.width=650; "src=" http://s5.51cto.com/wyfs02/M00/7C/EB/wKioL1bcLh7S7DEFAAArvRonNjk018.jpg "title=" 1.jpg " alt= "Wkiol1bclh7s7defaaarvronnjk018.jpg"/>The meaning of the attribute in: 1th character: Indicates the type of file, "D" Directory, "B"

Encryption type We have two main methods of encrypting files and directories. One is file system level encryption, in which you can selectively encrypt certain files or directories (e.g.,/home/alice). This is a very good way for me, and you don't have to reinstall everything to enable or test encryption. However, there are some drawbacks to file system-level encryption. For example, many modern application

In the project, some files are not required to submit local to the SVN warehouse, such as the config.php file, especially the definition of absolute path, or cache directory, image directory, etc., so for convenience, every time you submit SVN, you need to ignore these files, directories, Avoiding inadvertent submission causes other members of the team to modify their local version. Linux under the SVN propedit svn:ignore command can be edited to ign

The permissions meaning of the file R: Indicates that the contents of the file can be read W: Indicates that you can edit, add, or modify the contents of the file, but do not have permission to delete the file X: Indicates that the file can be executed Permissions meaning of the directory R: Indicates a permission to read the list of directory structures, that is, you can use the LS command to list the files in the directory W: Change the permissions for the list of directory structures, i

The permissions meaning of the file R: Indicates that the contents of the file can be read W: Indicates that you can edit, add, or modify the contents of the file, but do not have permission to delete the file X: Indicates that the file can be executed Permissions meaning of the directory R: Indicates a permission to read the list of directory structures, that is, you can use the LS command to list the files in the directory W: Change the permissions for the list of directory structures, i

-mtime n Find files that have changed file data for the last n*24 hours in the system-empty find blank files or directories in the system, or folders that do not have subdirectories in the directory-false find files that are always wrong in the system-gid n Find file with file Number group ID n in the system-daystart test System in 24 hours from today's files, usage similar to-amin-help Display Command Summary (HELP)-maxdepth levels in a hierarchical

Application Scenario: A directory contains many software source Tarball, after the deployment of these software, will certainly generate a lot of useless temporary directory, you can script the way to delete all directories in the directory. When there are some special names in the directory, such as those directories are not supported by the Linux system special characters "/" (these files are usually supp

Linux file propertiesChanging the properties and permissions of a fileCHGRP: Changes the group to which the file belongs.Chown: Change the owner of the user.chmod: Change the permissions of the file.Example: chmod 777. BashThe three numbers are: owning user rights, user group permissions, other people's permissions.Permissions are: R:4 w:2 1:x composition.Permission meanings for directories and files:The meaning of the permissions to the file: R

Introduction to CommandsThe ln command is used to connect files or directories, such as specifying more than two files or directories at the same time, and the final destination is a directory that already exists, and all of the previously specified files or directories are copied to the directory. If you specify multiple files or

Tags: partial mobile Linu Find special coverage relationship learning contentRecently have been learning Linux, the permissions of files and directories have a new understanding, feel like to figure out or need to spend a bit of thought. Note: 1. The following conditions are only for the owner of the file or directory (U); 2. For EXT4 file systems onlyLet's talk about how to create, delete, and modify files on the bottom of the system. The disk is div

PHP statistics directory of files and directories in the directory size method, The examples in this article describe the files in the PHP statistics directory and the size of directories in the directory. Share to everyone for your reference, as follows: "; } else{echo "". $fileName. " ===== ". Date (" Y-m-d h:i:s ", Filectime ($file))." = = = ". FileType ($file)." = = = ". Tosize (FileSize ($file)).""; }