The Buffer menu options allow you select and view multiple open buffers. Each time you choose File→ New or File→ Open, the Editor creates a buffer containing a copy of a file. Table 15 describes the menu that appears when you choose this option.
Table 15: Buffer menu
Lists the open buffers
Displays the next open buffer
Displays the previous open buffer
Views information about the current buffer
Choose this option to display a list of open buffers. Buffers appear listed in the order in which you open them. When you choose this option, the Buffer List dialog box shown in Figure 14 appears.
Figure 14: Buffer List dialog box
This list has a marker (>) that indicates the current buffer. You can switch to another buffer by selecting it from the list and pressing GO.
An asterisk (*) marks each buffer modified since it was last saved.
Choose this option to display the next buffer in the buffer list. When you choose this option, the next open buffer appears and becomes the current buffer. Buffers appear in the order in which you open them. If you choose Next when the last buffer in the list is the current buffer, the first buffer in the list appears.
Choose this option to display the previous buffer in the buffer list. When you choose this option, the previous open buffer appears and becomes the current buffer. Buffers appear in the order in which you open them. If you choose Previous when the first buffer in the list is the current buffer, the last buffer in the list appears.
Choose this option to view settings for the current buffer. When you choose this option, a Buffer Information dialog box like the one in Figure 15 appears.
Figure 15: Buffer Information dialog box
Table 16 describes the user-interface elements of the Buffer Information dialog box.
Table 16: Buffer Information dialog box elements
Displays the name of the operating system file from which the buffer was read. It always displays the full pathname of the file.
Specifies whether the file from which the text in the current buffer was read is read‑only or updatable. If the file is read‑only, you cannot save changes to the current buffer in the original file. You must choose
File→ Save As to save the changes to another file.
Displays the line position of the insertion point in the buffer.
Displays the column position of the insertion point in the buffer.