Open System Services Shell and Utilities Reference Manual (G06.28+, H06.05+)

User Commands (g - j) getconf(1)
POSIX_LINK_MAX
The maximum value of a file’s link count.
POSIX_LOCALEDEF
This variable has a value of 1 if the system restricts supported locales to only those it
supplies; otherwise, the variable has a value of 0 (zero).
POSIX_MAX_CANON
The maximum number of bytes in a terminal canonical input queue.
POSIX_MAX_INPUT
The maximum number of bytes for which space will be available in a terminal input
queue.
POSIX_NAME_MAX
The maximum number of bytes in a filename.
POSIX_NGROUPS_MAX
The maximum number of simultaneous supplementary group IDs for each process.
POSIX_OPEN_MAX
The maximum number of files that one process can have open at one time.
POSIX_PATH_MAX
The maximum number of bytes in a pathname.
POSIX_PIPE_BUF
The maximum number of bytes that can be written atomically when writing to a pipe.
_POSIX_REENTRANT_FUNCTIONS
This variable has a value of 1 if the system supports POSIX reentrant functions; other-
wise, the variable is undefined.
POSIX_SAVED_IDS
This variable has a value of 1 if each process has a saved set-user-ID and a saved set-
group-ID; otherwise, the variable is undefined.
POSIX_SSIZE_MAX
The maximum value that can be stored in an object of type ssize_t.
POSIX_STREAM_MAX
The number of streams that one process can have open at one time.
_POSIX_THREAD_ATTR_STACKSIZE
This variable has a value of 1 if the system supports the POSIX threads stack size attri-
bute; otherwise, the variable is undefined.
_POSIX_THREADS
This variable has a value of 1 if the system supports POSIX threads; otherwise, the
variable is undefined.
POSIX_TZNAME_MAX
The maximum number of bytes supported for the name of a time zone (not the length of
the TZ environmental variable).
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