how to change directory permissions

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

What ls-al/tmp see today is RWXRWXRWT is surprised what this t is, how is it not X or-? Search for the following discovery: This t represents the so-called sticky bit. Sticky bit: This bit can be understood as an anti-delete bit.

The Chmodchmod command is used to modify the permissions of a file or folder.Have studied beforels -l, the first one--has been studied before, and substituting refers to this is a textThe following rw-r--r--is the file's permissionsThe first three

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

One, Linux file system three kinds of identities 1), file owner2), the same group of usersusers of the same user group can access the user group's files;Each account can be added to multiple user groups.Files in the same user group can also be set

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--.

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

The meaning of directory and file permissions in Linux The meaning of file permission R: You can read the specific contents of this document; W: You can edit the contents of this file, including adding the details of the deleted file; X: The

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

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