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  2. Environment variable - Wikipedia

    en.wikipedia.org/wiki/Environment_variable

    VARIABLE=value # (there must be no spaces around the equals sign) export VARIABLE # for Bourne and related shells export VARIABLE=value # for ksh, bash, and related shells setenv VARIABLE value # for csh and related shells A few simple principles govern how environment variables achieve their effect.

  3. Global variable - Wikipedia

    en.wikipedia.org/wiki/Global_variable

    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. Program code other than shells has to access them by API calls, such as getenv() and setenv().

  4. C shell - Wikipedia

    en.wikipedia.org/wiki/C_shell

    For example, the set, setenv and alias commands all did basically the same thing, namely, associate a name with a string or set of words. But all three had slight but unnecessary differences. An equal sign was required for a set but not for setenv or alias; parentheses were required around a word list for a set but not for setenv or alias, etc.

  5. List of tz database time zones - Wikipedia

    en.wikipedia.org/wiki/List_of_tz_database_time_zones

    Standard Time (SDT) and Daylight Saving Time (DST) offsets from UTC in hours and minutes. For zones in which Daylight Saving is not observed, the DST offset shown in this table is a simple duplication of the SDT offset.

  6. Import and export of data - Wikipedia

    en.wikipedia.org/wiki/Import_and_export_of_data

    The import and export of data is the automated or semi-automated input and output of data sets between different software applications.It involves "translating" from the format used in one application into that used by another, where such translation is accomplished automatically via machine processes, such as transcoding, data transformation, and others.

  7. AmigaDOS - Wikipedia

    en.wikipedia.org/wiki/AmigaDOS

    Note the save flag of the SetEnv command and how global variables are available in the filesystem [clarification needed] Global variables are kept as files in ENV: , and optionally saved on disk in ENVARC: to survive reboot and power cycling .

  8. Drive letter assignment - Wikipedia

    en.wikipedia.org/wiki/Drive_letter_assignment

    MS-DOS command prompt with drive letter C as part of the current working directory. File Manager displaying the contents of drive C.. In computer data storage, drive letter assignment is the process of assigning alphabetical identifiers to volumes.

  9. Import and export - Wikipedia

    en.wikipedia.org/wiki/Import_and_export

    Import and export of goods International trade; Import/export regulations, trade regulations of such goods; Import/export tariffs, taxes on the trade in such goods; Import and export of data in computing, the moving of data between applications Import and export of formats, data conversion from one file type to another; Import/Export, a 2007 ...