You can view the full document at: https://docs.oracle.com/cd/B10501_01/server.920/a90842/ch13.htm
The following commands can be issued in SQL*Plus (in addition to the standard SQL commands.)
@ pathname Run an SQL Script (see START)
@MyScript.sql parameter1 parameter2 parameter3
In the SQL-Script, refer to the parameters as &1, &2, and &3.
@@ pathname Run a nested SQL Script.
/ Execute (or re-execute) commands in the SQL*Plus buffer
does not list commands before running
ACCEPT User input
ACC[EPT] variable [NUM[BER]|CHAR|DATE] [FORMAT format]
[DEFAULT default] [PROMPT text|NOPROMPT] [HIDE]
APPEND Add text to the end of the current line in the buffer.
A[PPEND] text_to_add
BREAK Specify where and how formatting will change.
BREAK ON {column|expr|ROW|REPORT} action
BTITLE Place and format a title at the bottom of each page.
BTITLE printspec [text|variable]
BTITLE [OFF|ON]
CHANGE Change text on the current line.
C /oldval/newval
CLEAR Clear the SQL*Plus screen and the screen buffer.
CLEAR {BREAKS|BUFFER|COLUMNS|COMPUTES|SCREEN|SQL TIMING}
COLUMN Change display width of a column.
COMPUTE Calculate and display totals.
CONNECT Connect to a database as a specified user.
connect username/password@SID
COPY Copy data from a query into a table (local or remote)
DEFINE User variables:
DEFINE varName = String
Display a user variable
DEFINE varName
Display all variables
DEFINE
DEFINE_EDITOR = sql*plus editor (e.g. DEFINE_EDITOR=vim.exe)
DEL Delete the current line in the SQL buffer
DESC[RIBE] Describe a table, column, view, synonym, function
procedure, package or package contents.
DISCONNECT Logoff (but don't exit)
EDIT Load the SQL*Plus buffer into an editor.
By default, saves the file to AFIEDT.BUF
EXECUTE Run a single PLSQL statement
EXEC :answer := EMP_PAY.BONUS('SMITH')
EXIT [n] Commit, logoff and exit (n = error code)
EXIT SQL.SQLCODE
GET file Retrieve a previously stored command file
HELP topic Topic is an SQL PLUS command or HELP COMMANDS
HOST Execute a host operating system command
HOST CD scripts
INPUT Edit sql buffer - add line(s) to the buffer
LIST n m Edit sql buffer - display buffer lines n to m
For all lines - specify m as LAST
PAUSE message Wait for the user to hit RETURN
PRINT variable List the value of a bind variable or REF Cursor (see VARIABLE / SHOW)
PROMPT message Echo a message to the screen
REMARK REMARK comment or --comment-- or /* comment */
RUN Execute (or re-execute) commands in the SQL*Plus buffer
Lists the commands before running
RUNFORM Run a SQL*Forms application
SAVE file Save the contents of the SQL*Plus buffer in a command file
SAVE file [CRE[ATE] | REP[LACE] | APP[END]]
SET Display or change SQL*Plus settings
SHOW List the value of a system variable (see PRINT)
SHUTDOWN [ABORT|IMMEDIATE|NORMAL|TRANSACTIONAL]
SPOOL file Store query results in file
SPOOL OFF Turn off spooling (exporting)
SPOOL OUT sends file to printer
SQLPLUS Start SQL*Plus and connect to a database.
STA[RT] Run an SQL Script (see @)
STARTUP [NoMOUNT|MOUNT|OPEN]
TIMING Record timing data TIMING {START | SHOW | STOP}
see CLEAR TIMING
TTITLE Define a page title
UNDEFINE Delete a user variable or passed parameter (see DEFINE)
VARIABLE Define a bind variable
(Can be used in both SQLPlus and PLSQL)
VAR[IABLE] [variable {NUMBER|CHAR|CHAR (n)}]
VARIABLE on its own will display the definitions made.
WHENEVER OSERROR Exit if an OS error occurs
WHENEVER SQLERROR Exit if an SQL or PLSQL error occurs
Some of the set/show options:
Useful sql: