Unix
Browse all articles, tutorials, and guides about Unix
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What do PTY and TTY Mean?
TTY and PTY are interfaces for text input and output in Unix systems. Learn the difference between physical terminals (TTY), pseudo-terminals (PTY), and how they enable SSH sessions, terminal emulators, and command-line tools.
How to Create a Copy of a Directory in Unix/Linux
Learn various methods to copy directories in Linux and Unix systems using cp, rsync, and tar commands with practical examples and best practices.
Understanding the Difference Between sh and Bash
Discover the key differences between sh and Bash shells, including feature compatibility, portability considerations, and when to use each one in your shell scripts and system administration tasks.
What Is the Preferred Bash Shebang?
Learn which shebang line to use for Bash scripts, the differences between common options, and how to write portable scripts that work across different Unix-like systems.