- 
 del [ *|n [m|last] ]
 
 
 - 
Deletes the current line, or one or more lines of the buffer.
DEL makes the following line of the buffer the current line.
  
 - 
 i [ new line ]
 
 
 - 
Inserts a new line or several lines of text after current line in buffer.
   SQL> i where SSN = '123456789' 
  
 - 
 edit [ filename ]
 
 
 - 
EDIT invokes a line editor on the contents of the specified file or on the contents of the buffer.
   SQL> edit 
     2  q 
  
 - 
 ‘;’, run, or ‘/’
 
 
 - 
Lists and executes the SQL command or PL/SQL block currently in the SQL buffer.  ‘;’ and ‘/’ do not list the command.
   SQL> SELECT * FROM customers 
     2    WHERE name = 'Pokemon'; 
  
 - 
@filename
 
 
 - 
Executes SQL statements stored in a host operating system file named.
 
 
- 
 get filename
 
 
 - 
GET loads a host operating system file into the SQL buffer.
  
 - 
 save filename
 
 
 - 
SAVE stores the SQL buffer’s contents in a host operating system file.
  
 - 
 host command
 
 
 - 
HOST executes a host system command without leaving the SQL*Plus.
   SQL> host date 
   Mon Aug 24 09:54:03 CST 2020
   SQL> host sh exer1