Properties of Linux files and directories __linux

 Author:North-South North

from: linuxsir.org
Abstract: This article is about file or directory attributes, such as node inode, file type, file permissions and attribution, but also setuid, setgid and paste bit for general explanation. The usage of LN, chmod, Umask, Chown, Chgrp and Touch is also described and illustrated in detail.

Directory

1, the properties of Linux files;
2, about the inode;

2.10inode the same file is a hard link file;
2.11 Create hard links, hard links and source file relationships;
2.12 The creation of soft links, and the relationship between the soft link and the source file;

3. type of file;
4, the authority of the document;

4.1 On the level of authority;
4.2 Command chmod to change the permissions;

4.21 Change the permissions of a file or directory by chmod octal syntax;
4.22 Change the permissions of a file or directory by chmod the mnemonic grammar;

4.3 Command umask for default permission assignment;

5, setuid and setgid position;

Explanation of 5.1setuid and setgid;
Examples of 5.2setuid and setgid applications;
5.3setuid and setgid method of setting;

6, paste position and set method;
7, the ownership of the document or directory relationship;

7.1 Change the chown of the document as a relational tool;
7.2 Change the document of the Group tool CHGRP;
7.3 The special circumstances of the document and the group;

8. Factors affecting the reading and writing of documents;
9. The time when the document was modified or visited;
10, file attributes and file system attributes of the relationship;
11, about this article;
12, PostScript;
13, reference documents;
14, related documents;

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