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The format string used in strftime traces back to at least PWB/UNIX 1.0, released in 1977. Its date system command includes various formatting options. [2] [3] In 1989, the ANSI C standard is released including strftime and other date and time functions. [4]
PowerShell is a task automation and configuration management program from Microsoft, consisting of a command-line shell and the associated scripting language.Initially a Windows component only, known as Windows PowerShell, it was made open-source and cross-platform on August 18, 2016, with the introduction of PowerShell Core. [5]
The command is also available in the Motorola VERSAdos, [5] Intel iRMX 86, [6] PC-MOS, [7] SpartaDOS X, [8] ReactOS, [9] SymbOS, and DexOS operating systems as well as in the EFI shell. [10] On MS-DOS, the command is available in versions 1 and later. [11] In Unix, the date command displays and sets both the time and date, in a similar manner.
find(string,substring) returns integer Description Returns the position of the start of the first occurrence of substring in string. If the substring is not found most of these routines return an invalid index value – -1 where indexes are 0-based, 0 where they are 1-based – or some value to be interpreted as Boolean FALSE. Related instrrev
PowerShell data sections can contain constants and expressions using a restricted subset of operators and commands. [79] PowerShell data sections are used when e.g. localized strings needs to be read from an external source while protecting against unwanted side effects.
Unix time [a] is a date and time representation widely used in computing. It measures time by the number of non-leap seconds that have elapsed since 00:00:00 UTC on 1 January 1970, the Unix epoch. For example, at midnight on 1 January 2010, Unix time was 1262304000. Unix time originated as the system time of Unix operating systems.
DIGITAL Command Language (DCL) is the standard command language adopted by many of the operating systems created by Digital Equipment Corporation.DCL had its roots in IAS, TOPS-20, and RT-11 and was implemented as a standard across most of Digital's operating systems, notably RSX-11 and RSTS/E, but took its most powerful form in VAX/VMS (later OpenVMS).
On MS-DOS, the command is available in versions 1 and later. [21] DR DOS 6.0 also includes an implementation of the TYPE command. [22] It is also available in the open source MS-DOS emulator DOSBox and the EFI shell. [23] In Windows PowerShell, type is a predefined command alias for the Get-Content Cmdlet which basically serves the same purpose.