SQL> desc all_views
 Name                                      Null?    Type
  ----------------------------------------- -------- -----------------
 

 OWNER                                     NOT NULL VARCHAR2( 30 )
 VIEW_NAME                                 NOT NULL VARCHAR2( 30 )
 TEXT_LENGTH                                        NUMBER
 TEXT                                               LONG
 ...

SQL> set long  32000  
SQL> col text format a75 word
SQL> set pages  9999 
SQL> set lines  129 
SQL> spool out_file.txt
SQL> select view_name, text from all_views where rownum< 2 ;

VIEW_NAME                      TEXT
 ------------------------------ ---------------------------------------------------------------------------
 
ALL_ALL_TABLES                 select OWNER, TABLE_NAME, TABLESPACE_NAME, CLUSTER_NAME, IOT_NAME,
                               PCT_FREE, PCT_USED,
                               INI_TRANS, MAX_TRANS,
                               INITIAL_EXTENT, NEXT_EXTENT,
                               MIN_EXTENTS, MAX_EXTENTS, PCT_INCREASE,
                               FREELISTS, FREELIST_GROUPS, LOGGING,
                               BACKED_UP, NUM_ROWS, BLOCKS, EMPTY_BLOCKS,
                               AVG_SPACE, CHAIN_CNT, AVG_ROW_LEN,
                               AVG_SPACE_FREELIST_BLOCKS, NUM_FREELIST_BLOCKS,
                               DEGREE, INSTANCES, CACHE, TABLE_LOCK,
                               SAMPLE_SIZE, LAST_ANALYZED, PARTITIONED,
                               IOT_TYPE, NULL, NULL, NULL, TEMPORARY, SECONDARY, NESTED,
                               BUFFER_POOL, ROW_MOVEMENT,
                               GLOBAL_STATS, USER_STATS, DURATION, SKIP_CORRUPT, MONITORING,
                               CLUSTER_OWNER, DEPENDENCIES
                               from all_tables
                               union all
                               select OWNER, TABLE_NAME, TABLESPACE_NAME, CLUSTER_NAME, IOT_NAME,
                               PCT_FREE, PCT_USED,
                               INI_TRANS, MAX_TRANS,
                               INITIAL_EXTENT, NEXT_EXTENT,
                               MIN_EXTENTS, MAX_EXTENTS, PCT_INCREASE,
                               FREELISTS, FREELIST_GROUPS, LOGGING,
                               BACKED_UP, NUM_ROWS, BLOCKS, EMPTY_BLOCKS,
                               AVG_SPACE, CHAIN_CNT, AVG_ROW_LEN,
                               AVG_SPACE_FREELIST_BLOCKS, NUM_FREELIST_BLOCKS,
                               DEGREE, INSTANCES, CACHE, TABLE_LOCK,
                               SAMPLE_SIZE, LAST_ANALYZED, PARTITIONED,
                               IOT_TYPE, OBJECT_ID_TYPE,
                               TABLE_TYPE_OWNER, TABLE_TYPE, TEMPORARY, SECONDARY, NESTED,
                               BUFFER_POOL, ROW_MOVEMENT,
                               GLOBAL_STATS, USER_STATS, DURATION, SKIP_CORRUPT, MONITORING,
                               CLUSTER_OWNER, DEPENDENCIES
                               from all_object_tables
SQL> spool off