Environment variable

Environment variables are a set of dynamic named values that can affect the way running processes will behave on a computer.

They are part of the environment in which a process runs. For example, a running process can query the value of the TEMP environment variable to discover a suitable location to store temporary files, or the HOME or USERPROFILE variable to find the directory structure owned by the user running the process.

They were introduced in their modern form in 1979 with Version 7 Unix, so are included in all Unix operating system flavors and variants from that point onward including Linux and OS X. From PC DOS 2.0 in 1982, all succeeding Microsoft operating systems including Microsoft Windows, and OS/2 also have included them as a feature, although with somewhat different syntax, usage and standard variable names.

Details

In all Unix and Unix-like systems, each process has its own separate set of environment variables. By default, when a process is created, it inherits a duplicate environment of its parent process, except for explicit changes made by the parent when it creates the child. At the API level, these changes must be done between running fork and exec. Alternatively, from command shells such as bash, a user can change environment variables for a particular command invocation by indirectly invoking it via env or using the ENVIRONMENT_VARIABLE=VALUE <command> notation. All Unix operating system flavors, DOS, and Windows have environment variables; however, they do not all use the same variable names. A running program can access the values of environment variables for configuration purposes.

CLS

CLS may refer to:

Academic fields

Education

Societies and associations

Software and technology

CLS (command)

In computing, CLS (for clear screen) is a command used by the command line interpreters COMMAND.COM and CMD.EXE on DOS, OS/2 and Microsoft Windows operating systems to clear the screen or console window of commands and any output generated by them. It does not clear the user's history of commands, however. The command is also available in the DEC RT-11 operating system. In other environments, such as Linux and Unix, the same functionality is provided by the clear command.

While the ultimate origins of using the three-character string CLS as the command to clear the screen likely predate Microsoft's use, this command was present before its MS-DOS usage, in the embedded ROM BASIC dialects Microsoft wrote for early 8-bit microcomputers (such as TRS-80 Color BASIC), where it served the same purpose. The MS-DOS dialects of BASIC written by Microsoft, BASICA and GW-BASIC, also have the CLS command as a BASIC keyword - as do various non-Microsoft implementations of BASIC such as BBC BASIC found on the BBC Micro computers. The CLS command is also present in BASIC versions for Microsoft Windows, however this generally clears text printed on the form, rather than the whole screen or controls on the form.

Wunderbar

Wunderbar may refer to:

Kiss Me, Kate

Kiss Me, Kate is a musical written by Samuel and Bella Spewack with music and lyrics by Cole Porter.

The story involves the production of a musical version of William Shakespeare's The Taming of the Shrew and the conflict on and off-stage between Fred Graham, the show's director, producer, and star, and his leading lady, his ex-wife Lilli Vanessi. A secondary romance concerns Lois Lane, the actress playing Bianca, and her gambler boyfriend, Bill, who runs afoul of some gangsters. The original production starred Alfred Drake, Patricia Morison, Lisa Kirk and Harold Lang and won the Tony-Award.

Kiss Me, Kate was Porter's response to Rodgers and Hammerstein's Oklahoma! and other integrated musicals; it was the first show he wrote in which the music and lyrics were firmly connected to the script, and it proved to be his biggest hit and the only one of his shows to run for more than 1,000 performances on Broadway. In 1949, it won the first Tony Award presented for Best Musical.

On March 25, 2015 it was announced that the 1949 original cast recording will be inducted into the Library of Congress's National Recording Registry for the album's "cultural, artistic and/or historical significance to American society and the nation’s audio legacy".

Wunderbar (Patrizio Buanne album)

Wunderbar is an album by Italian baritone Patrizio Buanne, which was released on January 27, 2012. It is his first album, which is mainly sung in German.

Most songs on this album are cover versions, whereas Du warst das Boot auf dem Meer der Farben and Wunderbar were especially written for this album. A bonus edition of this album was released on October 12, 2012 containing two additional Christmas songs: a German/Italian version of Jingle Bells and Stille Nacht.

Track listing

Charts

References