Search results
Results from the WOW.Com Content Network
An environment variable is a user-definable value that can affect the way running processes will behave on a computer. Environment variables are part of the environment in which a process runs.
Under Windows, which also supports lowercase environment variable names, the variable name is defined as ComSpec in the environment block, but as COMSPEC inside the DOS emulator NTVDM. When not present in the environment block, the command processor CMD.EXE of Windows NT sets COMSPEC to its own full path; it evaluates COMSPEC for example to ...
Despite Microsoft's radically different definition (see below), System Information, a utility app included in Windows NT family of operating systems, refers to it as "boot device". [ 2 ] [ 3 ] The system partition is the disk partition that contains the operating system folder, known as the system root .
PATH is an environment variable on Unix-like operating systems, DOS, OS/2, and Microsoft Windows, specifying a set of directories where executable programs are located. In general, each executing process or user session has its own PATH setting.
If there is no relative path to the directory name specified with forward slashes you will get the following error: The system cannot find the path specified. For setting environment variables, it is sometimes necessary to provide a path that does not contain spaces in it, for instance %JAVA_HOME% defined as "C:\Program Files\Java..." can cause ...
Displays or change the value of the PROMPT environment variable which controls the appearance of the prompt. RENAME, REN Renames a file or directory. RMDIR, RD Removes an empty directory. SET Sets the value of an environment variable; without arguments, shows all defined environment variables. TIME Display and set the time of the system. TRUENAME
Environment variables are a facility provided by some operating systems.Within the OS's shell (ksh in Unix, bash in Linux, COMMAND.COM in DOS and CMD.EXE in Windows) they are a kind of variable: for instance, in unix and related systems an ordinary variable becomes an environment variable when the export keyword is used.
The Thread Information Block (TIB) or Thread Environment Block (TEB) is a data structure in Win32 on x86 that stores information about the currently running thread. It descended from, and is backward-compatible on 32-bit systems with, a similar structure in OS/2. [1] The TIB is officially undocumented for Windows 9x.