Download Georgia - Textfiles
Transcript
-DISABLED- -BACKUP CANNOT BE READ OR LOAD IN PROGRESS-'An assign will receive FACILITY REJECTED 400000000100. See Section 3.8.2. The user should periodically list the names of all his files, and delete those no longer needed. 3.9.2. The @DELETE Statement The @DELETE statement may be used to delete files or delete elements of program.fi1es. @DELETE filename deletes the specified file. @DELETE,options filename.eltname deletes element 'e1tname' from program file 'filename'. Since 'e1tname' may exist concurrently as symbolic, re10catab1e, and absolute, the 'options' indicate the type(s) of elements to delete, as follows: A option - absolute element R option - re10catab1e element S option - symbolic element The user should periodically delete files and elements no longer needed. ~ / 3.9.3. The @PACK ~l~ r-t:, . Stateme~) 71..\--~~~~···~ PACK statement rewrites an entire program file so as to exclude deleted elements and release unneeded mass storage. Remember that in addition to elements explicitly deleted by the @DELETE statement, elements are deleted each time an element is updated, recompiled, remapped, or It is important that users pack their program files frequently, for the computer center typically finds ·thousands of mass storage tracks tied up in deleted elements. to exceed its In addition, failure to pack frequently may cause a file max~um size prematurely. The format of the @PACK statement is @PACK filename or @PACK filename, filename, filename (etc.) (As many files as desired may be specified.) 3-16 h' '.__ t3 d 1 ~ trDUJ,~ re-inserted. 5ASJ[~ pr~~~'