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If n is 1, clear from cursor to beginning of the screen. If n is 2, clear entire screen (and moves cursor to upper left on DOS ANSI.SYS). If n is 3, clear entire screen and delete all lines saved in the scrollback buffer (this feature was added for xterm and is supported by other terminal applications). CSI n K EL: Erase in Line Erases part of ...
The terminal driver still cannot be programmed to take both this and Backspace: one must be chosen. However, most modern programs bypass this and use libraries such as readline which accepts both codes. Most Unix terminal emulators can be configured to send either Delete or Backspace when the backspace key is pressed. [citation needed]
The Unix command clear takes no arguments and is roughly analogous to the command cls on a number of other operating systems. In ISO 9995-7 specifies that the following symbol be used to indicate this function on a keyboard, which is included in Unicode as: ⎚ CLEAR SCREEN SYMBOL. [2] One may use the reset command to erase every previous command.
The command is available in MS-DOS versions 2 (1983) and later. [5] 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.
On these computers, users can access a Unix-like command-line interface by running the terminal emulator program called Terminal, which is found in the Utilities sub-folder of the Applications folder, or by remotely logging into the machine using ssh. Z shell is the default shell for macOS; Bash, tcsh, and the KornShell are also provided.
The end of the HELP command output from RT-11SJ displayed on a VT100. The BusyBox HELP command. In computing, help is a command in various command line shells such as COMMAND.COM, cmd.exe, Bash, qshell, 4DOS/4NT, Windows PowerShell, Singularity shell, Python, MATLAB [1] and GNU Octave. [2]
This means that if you delete an email from your account after it's been downloaded, the downloaded copy remains in the app. Additionally, POP only downloads emails from the Inbox (not personalized folders), so to download all of your emails, you'd need to move email from existing folders to the Inbox.
Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation. [33] Python is dynamically type-checked and garbage-collected. It supports multiple programming paradigms, including structured (particularly procedural), object-oriented and functional ...