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With shells that support both functions and aliases but no parameterized inline shell scripts, the use of functions wherever possible is recommended. Cases where aliases are necessary include situations where chained aliases are required (bash and ksh). The alias command has also been ported to the IBM i operating system. [3]
The - (minus sign) invokes subcommands which are specified on the command line and should precede nslookup commands. In non-interactive mode, i.e. when the first argument is a name or Internet address of the host being searched, parameters and the query are specified as command line arguments in the invocation of the program.
Qshell is an optional command-line interpreter for the IBM i operating system. Qshell is based on POSIX and X/Open standards. It is a Bourne-like shell that also includes features of KornShell. [1] The utilities (or commands) are external programs that provide additional functions.
The Command-level-only CICS introduced in the early 1990s offered some advantages over earlier versions of CICS. However, IBM also dropped support for Macro-level application programs written for earlier versions. This meant that many application programs had to be converted or completely rewritten to use Command-level EXEC commands only.
Microsoft Host Integration Server (a.k.a. HIS) is a gateway application providing connectivity between Microsoft Windows networks and IBM mainframe and IBM i systems. Support is provided for SNA , 3270 (standard and TN3270 ), 5250 (standard and TN5250 ), CICS , APPC , and other IBM protocols .
When applied to a fully qualified domain name (FQDN) the host command will return information associated with that name such as its IP address and mail handling host. It can also be used to list all members of a domain. [2] The host command is also able to perform reverse IP lookups to find the FQDN associated with an IP address. [3]
The Berkeley r-commands are a suite of computer programs designed to enable users of one Unix system to log in or issue commands to another Unix computer via TCP/IP computer network. [1] The r-commands were developed in 1982 by the Computer Systems Research Group at the University of California, Berkeley , based on an early implementation of ...