HP-UX Reference (11i v1 00/12) - 5 Miscellaneous Topics, 7 Device (Special) Files, 9 General Information, Index (vol 9)

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STANDARD Printed by: Nora Chuang [nchuang] STANDARD
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glossary(9) glossary(9)
saved group ID
Every process has a saved group ID that retains the process’s effective group ID from the
last successful exec(2) or setresgid() (see setresuid(2)), or from the last superuser call
to setgid() (see setuid(2)) or setresuid(2). setgid() permits a process to set its
effective group ID to this remembered value. Consequently, a process that executes a pro-
gram with the set-group-ID bit set and with a group ID of 5 (for example) can set its
effective group ID to 5 at any time until the program terminates. See exec(2), setuid(2),
saved user ID, effective group ID, and set-group-ID bit. The saved group ID is also
known as the saved set-group-ID.
saved process group ID
Every process has a saved process group ID that retains the process’s group ID from the
last successful exec(2). See setpgrp(2), termio(7), and process group ID.
saved user ID
Every process has a saved user ID that retains the process’s effective user ID from the
last successful exec(2) or setresuid(2), or from the last superuser call to setuid(2). setuid(2)
permits a process to set its effective user ID to this remembered value. Consequently, a
process which executes a program with the set-user-ID bit set and with an owner ID of 5
(for example) can set its effective user ID to 5 at any time until the program terminates.
See exec(2), setuid(2), saved group ID, effective user ID, and set-user-ID bit. The
saved user ID is also known as the saved set-user-ID.
saved set-group-ID
See saved group ID.
saved set-user-ID
See saved user ID.
SCCS See Source Code Control System.
Source Code Control System (SCCS)
A set of HP-UX commands that enables you to store changes to an SCCS file as separate
‘‘units’’ (called deltas). These units, each of which contains one or more textual changes to
the file, can then be applied to or excluded from the SCCS file to obtain different versions of
the file. The commands that make up SCCS are admin(1), cdc(1), delta(1), get(1), prs(1),
rmdel(1), sact(1), sccsdiff(1), unget(1), val(1), and what(1).
SCCS file An ordinary text file that has been modified so the Source Code Control System (SCCS)
can be used with it. This modification is done automatically by the admin(1) command.
See also delta.
secondary prompt
One or more characters that the shell prints on the display, indicating that more input is
needed. This prompt is not encountered nearly as frequently as the shell’s primary prompt
(see prompt). When it occurs, it is usually caused by an omitted right quote on a string
(which confuses the shell), or when you enter a shell programming language control-flow
construct (such as a
for construct) from the command line. By default, the shell’s secon-
dary prompt is the greater-than sign (>), but you can re-define it by setting the shell vari-
able PS2 appropriately in your .profile
file. (The C shell has no secondary prompt.)
select code On Series 700 systems, part of an address used for devices. Multiple peripherals con-
nected to the same interface card share the same select code. On Series 700 systems,
select code consists of the bus and slot numbers for a device, both of which are determined
by the particular I/O slot in which the I/O card resides. All functions on a multifunction
card share the same select code.
semaphore identifier (semid)
A unique positive integer created by a semget(2) system call. Each semid has a set of
semaphores and a data structure associated with it. The data structure is referred to as
semid_ds and contains the following members:
struct ipc_perm sem_perm; /* operation permission */
ushort sem_nsems; /* number of sems in set */
time_t sem_otime; /* last operation time */
time_t sem_ctime; /* last change time */
/* Times measured in secs since */
/* 00:00:00 GMT, Jan. 1, 1970 */
Section 9−−18 − 17 − HP-UX Release 11i: December 2000
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