About ed at Linux
;ABOUT ED
Line oriented file editor.
Below is a listing of know limitations of the ed editor:
- 64 characters per file name.
- 256 characters per global subcommand list.
- LINE_MAX characters per line (although there is currently a system-imposed limit of 255 characters per line entered from the keyboard).
- 128,000 character buffer size
SYNTAX
ed [-C] [-p string] [-s] [-] [-x] filename
red [-C] [-p string] [-s | - ] [-x] filename
$ |
Reads the last line in this case "of the
ed editor" |
- |
Moves back one line. For example, if $ was typed,
if - was entered would move up to "this is a test". A number can
be added to move more than one line at a time. For example, if at the last
line typing -2 would move back to the first line in this example. |
+ |
The + moves one line forward instead of back
like the -. Like the - the + can have a number added after it, for example,
+2 to move two lines instead of one line. |
/. |
Reads the first line in this case "Hello
world" additional dots can be added to read other lines. |
/text/ |
Searches for the text typed in-between the forward
slashes and displays the next line that has this text. For example, if we
were at the first line "Hello world" and typed /test/ the line
displayed would be "this is a test" |
i |
Inserts text above the current line. Once you
are done inserting text press CTRL + C to exit out of the insert option. |
j |
Joins lines of text. |
t |
Copies the line. |
c |
Used to change text. For example, if our current
line was "this is a test". Typing c would allow you to enter a
new line. Typing "this is a tester" and then pressing CTRL + C
would replace the previous line with this new line. |
r |
Removes the specific line you are currently
on. |
X |
Allows you to skip to a line. For example, typing
X and when asked to enter a key you enter 3 would display the line "of
the ed editor" |
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AuthType directive for Apache
AuthUserFile directive
Confirm box with 2 location
AccessConfig directive for Apache
CGICommandArgs directive
ClearModuleList directive
PHP and MySQL
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