change permissions linux directory and subdirectories

1.Ubuntu Create directory Command format: mkdir [options] directory ... Command features: The mkdir command enables you to create a directory named with the specified name at the specified location. The user who created the directory must have

1, the Linux file attributes; The properties of a Linux file or directory mainly include: The node of the file or directory, the type, the permission mode, the number of links, the users and user groups, the time of the most recent visit or

Three types of identities for Linux file systems File owner Same group of usersUsers of the same user group can access the files of the user group;Each account can be joined to multiple user groups.Files in the same user group can also

One, the directory of files under LinuxSummary: The Linux file system is a hierarchical, tree- like structure in which the topmost layer of the structure is the root directory "/", and then another directory is created in this directory. A deep

In Linux , everything is files, ordinary files are files, directories are files, hardware devices are files, so learning to understand The files in Linux is very important. 　　Linux There are three types of files in:(1) ordinary documents: also

Transferred from: http://www.linuxidc.com/Linux/2015-03/114695.htmThere are two modifications in Ubuntu that can be used, "change Mode"&"change owner"That is, chmod and chown, which can use the recursive parameter-r to change permissions for all

Under Linux, Web directories and file permissions must consider the security of the system as a whole. In general, for the directory, you need to set R (read) and X (execute) permissions, and some directories also need W (write permission), for

There are two modification commands that can be used, "change Mode"&"change owner"That is, chmod and chown, which can use the recursive parameter- r to change permissions for all child files and subdirectories.1, the use of chmod Modify

Each file or directory in Linux contains access rights that determine who can access and how to access these files and directories.By setting permissions, you can restrict access by only allowing users to access them, allowing users in a

chmod (change mode) changing permissions What do you think about permissions? [[email protected] ~]# ls-l total usage 8-rw-r--r--. 1 root root 0 June 8 14:16 2.txt-rw-------. 1 root root 7728 June 6 22:11 anaconda-ks.cfg.1-rw-r--r--.