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手册页第 1 部分：用户命令 Oracle Solaris 11.1 Information Library (简体中文) |
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手册页第 1 部分：用户命令 Oracle Solaris 11.1 Information Library (简体中文) |
- display the architecture of the current host
arch [-k | archname]
The arch utility displays the application architecture of the current host system. Due to extensive historical use of this command without any options, all SunOS 5.x SPARC based systems will return "sun4" as their application architecture. Use of this command is discouraged. See NOTES section below.
Systems can be broadly classified by their architectures, which define what executables will run on which machines. A distinction can be made between kernel architecture and application architecture (or, commonly, just “architecture”). Machines that run different kernels due to underlying hardware differences may be able to run the same application programs.
Displays the kernel architecture, such as sun4u. This defines which specific SunOS kernel will run on the machine, and has implications only for programs that depend on the kernel explicitly (for example, ps(1)).
The following operand is supported:
Use archname to determine whether the application binaries for this application architecture can run on the current host system. The archname must be a valid application architecture, such as sun4, i86pc, and so forth.
If application binaries for archname can run on the current host system, TRUE (0) is returned. Otherwise, FALSE (1) is returned.
The following exit values are returned:
Successful completion.
An error occurred.
See attributes(5) for descriptions of the following attributes:
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mach(1), ps(1), uname(1), attributes(5)
This command is provided for compatibility with previous releases and its use is discouraged. Instead, the uname command is recommended. See uname(1) for usage information.
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