6.4. File System Services¶
6.4.2. Permissions¶
6.4.3. File Descriptors¶
6.4.4. System Calls¶
- Create a file
- Delete a file
- Open a file
- Close a file
- Read data from a file
- Write data to a file
- Reposition the current file pointer in a file
- Append data to the end of a file
- Truncate a file (delete its contents)
- Rename a file
- Copy a file
6.4.5. Directory Trees¶
6.4.6. Path Names¶
An absolute path name begins at the root and specifies each step down the tree until it reaches the desired file or directory.
A relative path name begins from the current working directory.
6.4.7. File Object Links¶
Links between files and directories make it easier to access files. Links that span file systems can also provide a convenient means of extending the effective size of a file system.
See also
Introduction to Unix, Notes on Hard and Soft (Symbolic) Links