vsafe MS-DOS Command

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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