Tunable Kernel Parameters
Table Of Contents
- Tunable Kernel Parameters
- Legal Notices
- Revision History
- Conventions
- 1 Overview
- 2 Accounting Subsystem
- 3 Asynchronous I/O Subsystem
- 4 File System Subsystem
- 5 Interprocess Communication (IPC) Subsystem
- 6 Kernel Crash Dump Subsystem
- 7 Memory Paging Subsystem
- 8 Process Management Subsystem
- 9 Spinlock Pool
- 10 Streams Subsystem
- 11 Miscellaneous Parameters
- Miscellaneous Parameter Summary
- CD-ROM Parameter Summary
- System Clock Parameter Summary
- Disk I/O Parameter Summary
- Intrusion Detection System/9000
- Fast Symbolic Link Traversal Parameter Summary
- Reserved System Memory Parameter Summary
- Network Parameter Summary
- Queued Signals Parameter Summary
- Real-Time Priority Parameter Summary
- Terminal Parameter Summary
- Maximum Users Parameter Summary
- Web Server Parameter Summary
- Miscellaneous Parameter Summary
- A Table of Tunable Kernel Parameters

Miscellaneous Parameters
Miscellaneous Parameter Summary
Chapter 11
64
Terminal Parameter Summary
Maximum Users Parameter Summary
Web Server Parameter Summary
Miscellaneous:
Terminal
nclist Maximum number of cblocks available for data transfers
through tty and pty devices. Manpage: nclist (5).
Miscellaneous:
Terminal
npty Maximum number of pseudo-tty entries allowed on the
system at any one time. Manpage: npty (5).
Miscellaneous:
Terminal
nstrpty System-wide maximum number of streams-based
pseudo-ttys that are allowed on the system. Manpage:
nstrpty (5).
Miscellaneous:
Terminal
nstrtel Number of telnet session device files that are available on
the system. Manpage: nstrtel (5).
Miscellaneous:
Terminal
scroll_lines Defines the number of lines that can be scrolled on the
internal terminal emulator (ITE) system console.
Manpage: scroll_lines (5).
Miscellaneous:
Users
maxusers Maximum number of users expected to be logged in on the
system at one time; used by other system parameters to
allocate system resources. Manpage: maxusers (5).
Miscellaneous:
Web
sendfile_max The amount of buffer cache that can be used by the
sendfile() system call on HP-UX web servers. Manpage:
sendfile_max (5).