Version Information

partition/device, run TrueCrypt and click 
Select Device
). You can also 
mount a partition or dynamic volume using its volume name (for example, 
/v \\?\Volume{5cceb196-48bf-46ab-ad00-70965512253a}\
). To 
determine the volume name use e.g. 
mountvol.exe
. Also note that device 
paths are case-sensitive. 
/letter
or 
/l
 
Driver letter to mount the volume as. When 
/l
is omitted and when 
/a
is 
used, the first free drive letter is used. 
/explore
or 
/e 
Open an Explorer window after a volume has been mounted. 
/beep
or 
/b 
Beep after a volume has been successfully mounted or dismounted. 
/auto
or 
/a 
If no parameter is specified, automatically mount the volume. If 
devices
 
is 
specified as the parameter (e.g., 
/a devices
), auto-mount all currently 
accessible device/partition-hosted TrueCrypt volumes. If 
favorites 
is 
specified as the parameter, auto-mount favorite volumes. Note that 
/auto
is implicit if 
/quit
and 
/volume
are specified. If you need to prevent the 
application window from appearing, use 
/quit
. 
/dismount
or 
/d 
Dismount volume specified by drive letter (e.g., 
/d x
). When no drive letter 
is specified, dismounts all currently mounted TrueCrypt volumes. 
/force
or 
/f 
Forces dismount (if the volume to be dismounted contains files being used 
by the system or an application) and forces mounting in shared mode (i.e., 
without exclusive access). 
/keyfile 
or 
/k 
Specifies a keyfile or a keyfile search path. For multiple keyfiles, specify 
e.g.: 
/k c:\keyfile1.dat /k d:\KeyfileFolder /k c:\kf2 
To specify a keyfile stored on a security token or smart card, use the 
following syntax: 
token://slot/
SLOT_NUMBER
/file/
FILE_NAME
/tokenlib 
Use the specified PKCS #11 library for security tokens and smart cards. 
/cache
or 
/c 
y 
or no parameter: enable password cache;
n
: disable password cache 
(e.g., 
/c n
). Note that turning the password cache off will not clear it (use 
/w
to clear the password cache). 
/history
or 
/h 
y
or no parameter: enables saving history of mounted volumes;
n
: disables 
saving history of mounted volumes (e.g., 
/h n
). 

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/wipecache
or 
/w 
Wipes any passwords cached in the driver memory. 
/password
or 
/p 
The volume password. If the password contains spaces, it must be 
enclosed in quotation marks (e.g., 
/p ”My Password”
). Use 
/p ”” 
to 
specify an empty password. 
Warning: This method of entering a volume 
password may be insecure, for example, when an unencrypted command 
prompt history log is being saved to unencrypted disk. 
 
 /quit
or 
/q 
Automatically perform requested actions and exit (main TrueCrypt window 
will not be displayed). If 
preferences
is specified as the parameter (e.g.,
/q preferences
), then program settings are loaded/saved and they 
override settings specified on the command line.
/q background 
launches the TrueCrypt Background Task (tray icon) 
unless it is disabled in the Preferences. 
/silent
or 
/s 
If 
/q
is specified, suppresses interaction with the user (prompts, error 
messages, warnings, etc.). If 
/q
is not specified, this option has no effect. 
/mountoption 
or 
/m 
ro
or 
readonly
: Mount volume as read-only.
rm
or 
removable
: Mount volume as removable medium (see section 
Volume Mounted as Removable Medium
). 
ts
or 
timestamp
: Do not preserve container modification timestamp. 
sm
or 
system
: Without pre-boot authentication, mount a partition that is 
within the key scope of system encryption (for example, a partition located 
on the encrypted system drive of another operating system that is not 
running). Useful e.g. for backup or repair operations.
Note: If you supply a password as a parameter of 
/p
, make sure that the 
password has been typed using the standard US keyboard layout (in 
contrast, the GUI ensures this automatically). This is required due to the 
fact that the password needs to be typed in the pre-boot environment 
(before Windows starts) where non-US Windows keyboard layouts are not 
available. 
bk
or 
headerbak
: Mount volume using embedded backup header.
Note: All volumes created by TrueCrypt 6.0 or later contain an embedded 
backup header (located at the end of the volume). 
recovery
: Do not verify any checksums stored in the volume header. This 
option should be used only when the volume header is damaged and the 
volume cannot be mounted even with the mount option 
headerbak
.
Example: 
/m ro
. To specify multiple mount options, use e.g.: 
/m rm /m 
ts