Wipe free space

To run free space wiping function you have two options

Run Wipe Free Space using Shred Agent graphical interface:

1. Run Shred Agent.

2. Select "Wipe Free Space" option in Tools menu.

3. Then check hard disk letters to wipe and click "Wipe free space" button;

Another option is to run Shred Agent wipe free space using command line. It's useful when you need to schedule to do slack space wiping for instance, every week.

Command line parameters

• -w, indicates that it's necessary to perform wipe free space function;

• -a, will run wipe free space for all write-able disks;

• -r, if specified, then Shred Agent will empty Recycle Bin before running wipe free space. Note: files that are in Recycle Bin cannot be wiped, use "-r" option to clear Recycle Bin before wiping.

• -s, if specified, then Shred Agent will clear System Volume Information folder; Note: System Volume Information folder contains a copies of deleted files, use "-s" option to clear System Volume Information folder before wiping.;

• -disks_{DISK_LETTERS} - this option specifies what disks Shred Agent should wipe, for instance -disks_C, will run wiping free space for C letter only, and -disks_CE will run wipe free space for disk C and E

Wipe free space command line samples

• shredagent.exe -w -a, the most simple command. Will run wipe free space for all write-able disks;

• shredagent.exe -w -a -r -s, run slack space wipe function for all write-able disks; before wiping will clear Recycle  Bin and  System Volume Information folder;

• shredagent.exe -w -disks_CD, will run wipe free space function for disk letter C and D;

• shredagent.exe -w -a -disks_CD, will run slack space wipe function for all disks, as specified parameter -a (process all disks) is more powerful than parameter -disks;

• shredagent.exe -a, will not do anything, as parameter -w is not specified, will write to the log: there are not enough parameters passed to command line;

• Note: all parameters don't depends on letter case, so "-A" and "-a" treats as the same parameter. Also, "-disks_CD" and "-DiSkS_cd" are considered by Shred Agent in the same way;

Recommended parameters:

• shredagent.exe -w -a -r -s, empty Recycle Bin and System Volume Information folder then wipe free space for all write-able disks;

• shredagent.exe -w -r -s -disks_CD,  empty Recycle Bin and System Volume Information folder then wipe free space for disk letter "C" and "D";