HP-UX 11i v3 Read Before Installing or Updating, September 2011

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: HP-UX 11i v1 kernel configuration commands has
been removed in favor of new commands for HP-UX 11i v3. In addition, there are changes
to the location of kernels and related files on disk; to the manner in which a kernel configuration
is chosen at boot time; and to the manner in which the system automatically maintains a
backup kernel configuration.
iostat : 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 Commands: 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 manage the Real Time Extension processor set; 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.
78 What is new