User's Manual

PERFORMING DOWNLOADS
Use of I: drive and F: drive
VX 675 R
EFERENCE GUIDE 105
Physical and
Logical Access to
File Groups
The VX 675 operating system controls physical access to GIDs 1–15 using
password-protected Verix Terminal Manager functions.
To download data into a specific file group, first enter Verix Terminal Manager and
choose the target group by making the appropriate menu selections, then, enter
the correct password for that file group.
Each file group has its own CONFIG.SYS file. The CONFIG.SYS settings of the
selected target group are used as the system parameters for the download
operation.
The system of file groups also imposes some logical restrictions on which files can
download into specific file groups:
• If GID1 is selected as the target group in Verix Terminal Manager, you can
download files into GID1 and redirect files into any of the other file groups, as
required, in the same download operation.
• If another file group is selected as the target file group, you can download files
only into that group and redirect files only to GID15. For example, if you select
GID5 as the target group for the download, files can only download into GID5
and be redirected to GID15.
Use of I: drive
and F: drive
The VX 675 application memory partition has two separate logical file systems:
• Partition designator I:
• Partition designator F:
Having two different file systems has the following important implications for data
transfer procedures:
• Depending on the requirements of a specific application, some files must
download into the I: drive and others into the F: drive.
• There are also rules that restrict which types of files you can download and
store in a file system (I: or F:).
With application files, the application designer or programmer usually decides
which file types to download into which file system. Other file types, such as
operating system files, digital certificates, and signature files, must download into
I: drive.
In a typical download procedure, all files are loaded into the I: drive file system of
the target group selected in Verix Terminal Manager. Specific files included in the
download package must be redirected, as necessary, to the F: drive file system of
the target group or to the I: drive or the F: drive file system of another file group.
To redirect files during a download procedure, see the following sections.