VSAFE

The description below is from the book
DOS the Easy Way by Everett Murdock Ph.D.

CLICK HERE for information about downloading the book.

Type: External (6.0 and later)

Syntax:

VSAFE [/option[+|-]...] [/NE][/NX][Ax|/Cx][/N][/D][/U]

Purpose: VSAFE is a memory-resident program that continuously monitors your computer for viruses and displays a warning when it finds one.

Discussion

The VSAFE memory-resident program uses 22K of memory. You should not use the VSAFE command when Windows is running.

Options

/option[+|-] Used to specify how VSAFE will monitor for viruses. Use a plus sign (+) to turn an option ON and a minus sign (-) to turn an option OFF. Following is the list of options :

1 - Warns of formatting that could erase the hard disk (default is ON).

2 - Warns you that a program is attempting to stay in memory (default is OFF).

3 - Prevents a program from writing to disk (default is OFF).

4 - Checks executable files that are opened by MS-DOS (default is ON).

5 - Checks all disks for boot sector viruses (default is ON).

6 - Warns you of attempts to write to the boot sector or partition table of the hard disk (default is ON).

7 - Warns you of attempts to write to the boot sector of a floppy disk (default is OFF).

8 - Warns you of attempts to modify executable files (default is OFF).


/NE - Prevents VSAFE from loading into expanded memory.

/NX - Prevents VSafe from loading into extended memory.

/Ax - Sets the hot key as ALT plus a key specified by x.

/Cx - Sets the hot key as CTRL plus a key specified by x.

/N - Instructs VSAFE to monitor for viruses on network drives.

/D - Turns of checksumming.

/U - removes VSAFE from memory.




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