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kitty is a free and open-source GPU-accelerated [2] [3] terminal emulator for Linux, macOS, [4] and some BSD distributions. [5] focused on performance and features. kitty is written in a mix of C and Python programming languages.
The other pseudo-device, the slave, emulates a hardware serial port device, [1] and is used by terminal-oriented programs such as shells (e.g. bash) as a processes to read/write data back from/to master endpoint. [1] PTYs are similar to bidirectional pipes. [3]: 1388 Devpts is a Linux kernel virtual file system containing pseudoterminal devices.
PuTTY user manual (copy from 2022) PuTTY (/ ˈ p ʌ t i /) [4] is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection.
A terminal emulator, or terminal application, is a computer program that emulates a video terminal within some other display architecture. Though typically synonymous with a shell or text terminal , the term terminal covers all remote terminals, including graphical interfaces.
Interpretive running makes it easy to write debugging code into a script and re-run it to detect and fix bugs. Non-expert users can use scripting to tailor the behavior of programs, and shell scripting provides some limited scope for multiprocessing. On the other hand, shell scripting is prone to costly errors.
cat is a standard Unix utility that reads files sequentially, writing them to standard output. The name is derived from its function to (con) cat enate files (from Latin catenare , "to chain"). [ 1 ] [ 2 ] It has been ported to a number of operating systems.
This is the primary way to output data from a program by directly using a system call. The destination is identified by a numeric code. The data to be written, for instance a piece of text, is defined by a pointer and a size, given in number of bytes. write thus takes three arguments: The file code (file descriptor or fd).
The program works on Windows, macOS and Linux. It is available as a binary bundle including the recent Python interpreter [ 4 ] or pip -installable package. [ 7 ] It can be installed via the operating-system package manager on Debian, Raspberry Pi, Ubuntu, and Fedora.