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The implementation and the fields present in the file differ depending on the system or the libc version, and are defined in the utmp.h header file. The wtmp and btmp format are exactly like utmp except that a null value for "username" indicates a logout on the associated terminal (the actual user name is located by finding the preceding login ...
The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low-level commands regardless of the system's state. It is often used to recover from freezes , or to reboot a computer without corrupting the filesystem . [ 1 ]
Oracle Linux is deployed on more than 42,000 servers by Oracle Global IT; the SaaS Oracle On Demand service, Oracle University, and Oracle's technology demo systems also run Oracle Linux. [ 5 ] Software developers at Oracle develop Oracle Database , Fusion Middleware , E-Business Suite and other components of Oracle Applications on Oracle Linux.
This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.
OEM uses by default the SYSMAN schema in an Oracle database as a super-administrator account/repository. Utility programs such as emctl or emdctl carry out actual functions. [4] OEM also provides a command-line alternative, EMCLI (EM command line interface) with verbs to provide the same functionality as the UI-based EM.
It provides database backup, restore, and recovery capabilities addressing high availability and disaster recovery concerns. Oracle Corporation recommends RMAN as its preferred method for backup and recovery and has written command-line and graphical (via Oracle Enterprise Manager) interfaces for the product.
Most implementations of curses use a database that can describe the capabilities of thousands of different terminals. There are a few implementations, such as PDCurses, which use specialized device drivers rather than a terminal database. Most implementations use terminfo; some use termcap. Curses has the advantage of back-portability to ...
This helps if the operating system hangs, but only needs a reboot to recover. An older version of out-of-band management is a layout involving the availability of a separate network that allows network administrators to get command-line interface access over the console ports of network equipment, even when those devices are not forwarding any ...