HP-UX 11i v3 March 2014 Release Notes

• core Format Implementation Change: The true version string has replaced the utsname struct
in the CORE_KERNEL segment. A workaround has been provided for applications which
reversed-engineered the core file format and depend on utsname being in it. This new core
file format is now the default format.
• csh Command Line Interpreter: The non-interactive invocation of csh will not source the ~/
.history file by default.
• File Systems Backup and Recovery Commands fbackup, frecover, and ftio: Deprecated;
will be obsolete in a future HP-UX release. You should prepare by migrating to the favorable
replacement pax. Support will be continued for archive retrieval.
• New: gcore Command: creates a core image of each specified process.
• 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
118 What is new