HP-UX 11i v3 March 2013 Release Notes

• getgroups(), setgroups(): no longer limited by the NGROUPS_MAX.
• getty Command: Enhanced to configure the default setting for special control characters
(erase, kill, etc.) by the user.
• HP-UX Kernel Configuration Commands: Includes several significant changes including revision
of error, warning, and note messages for clarity; new options for kconfig, kcmodule, and
kctune for control of automatic configuration backups; 2 new options for kctune command;
kctune now allows some tunable values to be specified in terms of the percentage of some
system resource; changes have been made to the kernel configuration commands to improve
resiliency and performance; tunable parameter values may now be overridden on the boot
loader command line; and several other changes, including some obsolescences.
• iostat Command: Enhanced to report activity for each active lunpath to the LUNs. Also,
the new option -L has been added, which lists active lunpath statistics.
• Long hostname, uname, and setuname: The limits of these commands can now be expanded
to 255 bytes.
• New: Long Username Support by HFS ff, VxFS 4.1 ff, repquota, quotacheck: Enhanced
to support the username up to 255 bytes.
• lp, lpadmin, lpfence, lpmove, and lpsched Commands: Printers can now be
added/removed/modified without bringing down the lp scheduler; line printer spooler
enhanced to support printer/class names up to 250 characters from the previous limit of 14
characters; support also extended to remote destination names.
• mmap() System Call: Enhanced to support mapping file with read only permission with
PROT_EXEC and implicit mmap with MAP_FIXED.
• pax Command: Enhanced to conform to the UNIX 2003 Standard. You will now be able to
use pax to archive files having a size greater than or equal to 8GB; long user name/group
name; large UID/GID greater than 2097151; long pathname or link name.
• PFS Commands: Obsolete.
• pipcs Command: Enhanced to provide details regarding processes using the various POSIX
Message Queues, as well as creation time and last modification time of the POSIX Message
Queues.
• ps Command: Enhanced to display maximum of 1020 characters in the COMMAND field.
• New: pselect() System Call: Added to meet the UNIX 2003 Standard. Provides additional
parameter options to users of the select() system call. Timeout granularity may be specified
in seconds and nanoseconds. A new signal mask parameter is also available to be used for
the duration of system call.
• psrset Command: Enhanced to support one more PSET attribute type called LCPU.
• pstat_getstatic() System Call: Information returned by pstat_getstatic() may
now change between reboots due to manually or automatically generated administrative
changes in the associated kernel tunables, online addition/deletion of resources, or other
events. Likelihood of it changing is infrequent.
• New: Ptools Process Management Tools: New set of process management tools that support
easy process tracking and debugging. Consists of the following commands: pmap, pfiles,
pgrep, pkill, ptree.
• ptrace() System Call: Obsolete in HP-UX 11i v3.
• sar Command: Enhanced to report activity for each HBA and Tape device.
• setboot Command: modified to take a persistent DSF or a lunpath hardware path as valid
input to set the bootpath for next boot; enhanced to enable or disable hyperthreading
environment for the next boot on a Dual-Core Intel® Itanium® 2 platform.
What is new in the initial (February 2007) HP-UX 11i v3 release 111