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HP OpenVMS DCL Dictionary
SET ROOT
Defines the POSIX root for the system.
Format
SET ROOT device-name:directory-spec
Parameters
device-name:directory-spec
Defines the root pathname.
Description
In POSIX pathname processing mode, RMS and the C Run-Time Library treat
the leading slash (/) of a pathname as referring to the defined root.
By default, the root is SYS$SYSDEVICE:[PSX$ROOT]. The root definition
does not persist across a reboot. The SET ROOT commands requires SYSNAM
privilege and has the following qualifier:
Qualifier
/LOG (default)
/NOLOG
Controls whether the SET ROOT command displays a success indication
after the root definition is set.
Example
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$ SHOW ROOT
DISK$ALPHASYS:[000000]
$ SET ROOT DISK$ALPHASYS:[PSX$ROOT]
%SET-I_SXROOSET, system POSIX root set to DISK$ALPHASYS:[PSX$ROOT]
$ SHOW ROOT
DISK$ALPHASYS:[PSX$ROOT]
$
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This command displays the current root, sets the root to
DISK$ALPHASYS:[PSX$ROOT], and verifies that it has been changed.
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