z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

Options
Note: vi is available if you login to the shell with the rlogin command or via telnet.
It is not available if you login with the OMVS command.
–c command
Runs command before displaying any text on the screen. command is any
ex command. You can specify multiple ex commands by separating them
with an or-bar (|) and enclosing them in quotes. The quotes ensure that the
shell does not interpret the | as a pipe character. For example:
–c 'set all | ver'
–e Invokes ex.
–l Sets lisp mode. The ( and ) commands use blocks of lisp code as their
context rather than sentences.
–R Sets the readonly variable, preventing the accidental overwriting of files.
Any command that writes to a file requires the ! suffix.
–r Tries to recover all files specified on the command line after a system or
editor crash. If you do not specify any files, vi displays a list of all
recoverable files.
–s Turns on quiet mode. This tells the editor not to print file information
messages, thus allowing ex to be used as a filter. Because the file isn’t
displayed, the editor doesn’t read the value of the TERM environment
variable. This option also keeps ex from reading any startup files (.exrc or
the file specified by EXINIT).
–t tag Searches for a tag in the same way that you use with the ex tag command
(described later).
–v Puts the editor into vi mode.
–w size
Sets the option variable window to size. See “Set Option Variables” on page
779 for more information.
+command
Is an obsolete version of the –c option.
Current Position Pointer
The current position marker indicates a position in the text that is currently being
edited (or has just been edited). In ex mode, the current position pointer is just the
line number of the line being edited. In vi mode, the pointer gives this line number
plus the position of the cursor within the line. The line indicated by the current
position pointer is always on the screen.
Display Conventions
vi uses three display conventions:
v vi displays the input for search commands (/ and ?), ex commands (:), and
system commands (!) on the bottom line of the screen. Error and informational
messages also appear on this line.
v If the last line in the file is above the bottom of the screen, screen lines beyond
the end of the file are displayed with a single ~character in column one.
v In certain infrequent circumstances (usually involving lines longer than the width
of the screen), vi is unable to fill the display with complete lines. In this case, one
or more screen lines are shown with a single @ character in column one.
vi
Chapter 2. Shell command descriptions 759