3. Enter the new name for the file or folder (don t forget the extension, if it is a file) in the text
4. Click on the Submit button. The file name has now been changed and the display
updated to show the modified file.
Changing file/folder permissions
All files on UNIX (and UNIX variants) machines have access permissions. These tell the
operating system how to deal with requests to access these files. There are three types of
Read Denoted as r, files with read access can be displayed to the user.
Write Denoted as w, files with write access can be modified by the user.
Execute Denoted as x, files with execute access can be executed as programmes by
Access types are set for three types of user group:
User the owner of the file.
Group other files which are in the same folder or group.
World everyone else.
The web server needs to be able to read your web pages in order to be able to display them in
a browser. The following permissions need to be set in order for your web site to function
All HTML files and images need to be readable by others. The setting for this is 644
(readable by User, Group, and World, and writable by User), and is set automatically
when you upload files.
All folders need to be executable by others. The setting for this is 755 (readable by User,
Group, and World, writable by User, executable by User, Group, and World), and is set
automatically when you create a folder.
All CGI files (all files in the cgi bin folder) need to be executable by other. The setting for
this is 755 (readable by User, Group, and World, writable by User, executable by User,
Group, and World), and is not set automatically when you upload files. You need to
change file permissions manually. Refer to the
Introduction to CGI
topic for more
Warning: It is important that none of your files or folders are writable by anyone else. Any file or
folder which is writable by others can be erased by them. Generally there is no problem, just be
careful in how you set your permissions.
To change file or folder permissions:
1. Navigate to the file or folder that you need to change.