2012

File Safety Precautions
Assists in avoiding data loss and in detecting errors.
Automatic Save
Saves your drawing automatically at the intervals you specify. You can specify
the location of all Autosave files by using the SAVEFILEPATH system
variable.SAVEFILE (read-only) stores the name of the Autosave file.
NOTE Automatic save is disabled when the Block Editor on page 237 is open.
Minutes Between Saves: When Automatic Save is on, specifies how often the
drawing is saved.
(SAVETIME system variable)
Create Backup Copy with Each Save
Improves the speed of incremental saves, especially for large drawings.
(ISAVEBAK system variable)
For information about using backup files, see Create and Restore Backup Files
in the User's Guide.
Full-Time CRC Validation
Specifies whether a cyclic redundancy check (CRC) should be performed each
time an object is read into the drawing. CRC is an error-checking mechanism.
If your drawings are being corrupted and you suspect a hardware problem or
a software error, turn this option on.
Maintain a Log File
Writes the contents of the text window to a log file. (
LOGFILEMODE on page
2414 system variable, see also LOGFILEPATH and LOGFILENAME)
File Extension for Temporary Files
Specifies a unique extension for temporary save files. The default extension
is .ac$.
Security Options
Provides options for a digital signature and password that are invoked when
you save a file.
Display Digital Signature Information
Presents digital signature information when a file with a valid digital signature
is opened. (
SIGWARN on page 2534 system variable)
1342 | Chapter 15 O Commands