ACCEPT 文 The ACCEPT statement causes data keyed at the console or supplied by the operating system to be made available to the program
in a specified data item.
IF 文 The IF statement causes a condition to be evaluated (see the topic Conditional Expressions in the chapter Procedure Division).
The subsequent action of the runtime element depends on whether the value of the condition is true or false.
OPEN 文 OPEN 文は、ファイルの処理を開始する。また、ラベルの確認や書き込み、およびその他の入出力操作を行う。
PERFORM 文 The PERFORM statement is used to transfer control explicitly to one or more procedures and to return control implicitly whenever
execution of the specified procedure is complete.
SET 文 The SET statement is used to alter the status of external switches.
SORT 文 The SORT statement creates a sort file by executing input procedures or by transferring records from another file, sorts the
records in the sort file on a set of specified keys, and in the final phase of the sort operation, makes available each record
from the sort file, in sorted order to some output procedures or to an output file.
WRITE 文 The WRITE statement releases a logical record for an output or input-output file. For sequential files it can also be used
for vertical positioning of lines within a logical page.