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Question-1. How do you display the current Zsh options?
Answer-1: Use setopt.
Question-2. How do you turn off a Zsh option?
Answer-2: Use unsetopt option_name.
Question-3. What is the glob feature in Zsh?
Answer-3: It allows advanced pattern matching, such as ls **/*.txt for recursive file search.
Question-4. What is shopt in Zsh?
Answer-4: Zsh does not use shopt (a Bash feature); instead, it uses setopt and unsetopt.
Question-5. How do you enable recursive globbing in Zsh?
Answer-5: Use setopt GLOB_STAR.
Question-6. How do you prevent duplicate history entries in Zsh?
Answer-6: Add setopt HIST_IGNORE_ALL_DUPS to .zshrc.
Question-7. How do you search command history interactively in Zsh?
Answer-7: Use Ctrl + R.
Question-8. How do you change the Zsh prompt?
Answer-8: Modify the PROMPT variable in .zshrc.
Question-9. What does %~ represent in the Zsh prompt?
Answer-9: It shows the current directory, replacing $HOME with ~.
Question-10. How do you execute the last command in Zsh?
Answer-10: Use !!.
Question-11. How do you execute the last command starting with a specific word?
Answer-11: Use !word.
Question-12. What is fc in Zsh?
Answer-12: A built-in command to edit and re-execute previous commands.
Question-13. How do you run a command without saving it to history?
Answer-13: Use a space before the command (if HIST_IGNORE_SPACE is enabled).
Question-14. How do you append command history to the history file immediately?
Answer-14: Use setopt INC_APPEND_HISTORY.
Question-15. What is zmodload in Zsh?
Answer-15: It loads Zsh modules dynamically.
Question-16. How do you enable shared history across multiple Zsh sessions?
Answer-16: Use setopt SHARE_HISTORY.
Question-17. How do you disable globbing in Zsh?
Answer-17: Use set -o noglob.
Question-18. What does exec zsh do?
Answer-18: It restarts the Zsh shell.
Question-19. How do you enable debugging in Zsh?
Answer-19: Use set -x before running a command.
Question-20. How do you find the full path of a command in Zsh?
Answer-20: Use which command_name.
Question-21. How do you check the exit status of the last command in Zsh?
Answer-21: Use echo $?.
Question-22. How do you run a command in the background in Zsh?
Answer-22: Append & to the command, e.g., sleep 10 &.
Question-23. How do you kill a background job in Zsh?
Answer-23: Use kill %job_id or kill PID.
Question-24. What is the nohup command in Zsh?
Answer-24: It runs a command that ignores the SIGHUP signal.
Question-25. How do you display all background jobs in Zsh?
Answer-25: Use jobs.
Question-26. How do you suspend a running process in Zsh?
Answer-26: Press Ctrl + Z.
Question-27. How do you resume a suspended job in Zsh?
Answer-27: Use fg to bring it to the foreground.
Question-28. How do you exit Zsh?
Answer-28: Use exit or press Ctrl + D.
Question-29. What is Zsh?
Answer-29: Z shell (Zsh) is an extended Unix shell with advanced features, including better auto-completion, globbing, and scripting capabilities.
Question-30. How is Zsh different from Bash?
Answer-30: Zsh has better auto-completion, spelling correction, improved globbing, and more powerful scripting features compared to Bash.
Question-31. How do you check if Zsh is installed?
Answer-31: Run zsh --version in the terminal.
Question-32. How do you set Zsh as the default shell?
Answer-32: Use chsh -s $(which zsh).
Question-33. Where is the Zsh configuration file located?
Answer-33: It is located at ~/.zshrc.
Question-34. How do you reload the .zshrc file?
Answer-34: Run source ~/.zshrc.
Question-35. What is Oh My Zsh?
Answer-35: A popular framework for managing Zsh configuration, themes, and plugins.
Question-36. How do you install Oh My Zsh?
Answer-36: Use sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)".
Question-37. How do you change the Zsh theme?
Answer-37: Edit ~/.zshrc and change ZSH_THEME="theme_name", then reload the shell.
Question-38. How do you list all available Oh My Zsh themes?
Answer-38: Run ls ~/.oh-my-zsh/themes/.
Question-39. What is a Zsh plugin?
Answer-39: A script that extends Zsh?s functionality, such as syntax highlighting and auto-suggestions.
Question-40. How do you enable a plugin in Zsh?
Answer-40: Add the plugin name to the plugins=(plugin_name) line in .zshrc and reload Zsh.
Question-41. What is the Zsh auto-suggestions plugin?
Answer-41: It suggests commands as you type based on command history.
Question-42. How do you install the Zsh auto-suggestions plugin?
Answer-42: Use git clone https://github.com/zsh-users/zsh-autosuggestions ~/.zsh/zsh-autosuggestions and add it to .zshrc.
Question-43. What is the purpose of the Zsh syntax highlighting plugin?
Answer-43: It highlights commands based on their validity and syntax.
Question-44. How do you install Zsh syntax highlighting?
Answer-44: Clone the repository and source it in .zshrc: git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ~/.zsh/zsh-syntax-highlighting.
Question-45. What is the bindkey command in Zsh?
Answer-45: It is used to modify keybindings in Zsh.
Question-46. How do you enable case-insensitive tab completion in Zsh?
Answer-46: Add setopt NO_CASE_GLOB to .zshrc.
Question-47. What does autoload -U compinit && compinit do?
Answer-47: It enables and initializes advanced command completion.
Question-48. How do you create an alias in Zsh?
Answer-48: Use alias name='command', e.g., alias ll='ls -la'.
Question-49. How do you remove an alias in Zsh?
Answer-49: Use unalias name.
Question-50. What is the preexec function in Zsh?
Answer-50: It runs before each command execution.
Frequently Asked Question and Answer on Z shell (Zsh)
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