root directory |
The typical UNIX concept of "Root Directory" is implemented in OpenVMS via the logical SYS$POSIX_ROOT.
It allows access to all files and subdirectories and is automatically recognized by all
C applications.
Applications can still access files outside the virtual root normally (e.g., /dka100/foo/bar), but if
dka100 cannot be resolved, then SYS$POSIX_ROOT is attempted.
DECC$DISABLE_POSIX_ROOT will disable this support.
GNV
If you install GNV on your system, GNV establishes a root directory using the SYS$POSIX_ROOT concept. Generally GNV defines
the root directory, pointing to its main-level directory, generally on the system disk, at:
SYS$SYSDEVICE:[VMS$COMMON.GNV.]
Within this root directory, GNV creates numerous standard UNIX directories:
bin
etc
lib
src
usr
Most of the GNV utilities are placed in /bin. GNV configuration files are
place din /etc. GNV source files are in /src. Man page files are
placed in /usr/share/man.
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