What is zsh command?

What is zsh command?

ZSH, also called the Z shell, is an extended version of the Bourne Shell (sh), with plenty of new features, and support for plugins and themes. Since it’s based on the same shell as Bash, ZSH has many of the same features, and switching over is a breeze.

How do I find previous commands in zsh?

Hit Ctrl+R , type some letters, it will find the previous command with these letters, keep hitting Ctrl+R to continue through the previous findings.

Why is zsh called zsh?

Paul Falstad wrote the first version of Zsh in 1990 while a student at Princeton University. The name zsh derives from the name of Yale professor Zhong Shao (then a teaching assistant at Princeton University) — Paul Falstad regarded Shao’s login-id, “zsh”, as a good name for a shell.

How do I use zsh?

Setting up Zsh

1. The first category lets you choose how many commands are retained in your shell history file. By default, it’s set to 1,000 lines.
2. Zsh completion is one of its most exciting features.
3. Choose Emacs or Vi key bindings.
4. Finally, you can learn about (and set or unset) some of Zsh’s subtle features.

How do I enable autocomplete in oh my zsh?

🤩 Autocomplete while you type a command Git Clone the zsh-autocomplete plugin in the OhMyZsh plugin folder. Once that is done, add the plugin in the ~/. zshrc file’s plugin list.

How does zsh save a command history file?

Otherwise, if the option hist_save_by_copy is set (it’s set by default since zsh 5.0, but does not exist in 4.2), zsh writes a temporary file then moves it in place when complete. In this case, if the history file was a symbolic link, the new file replaces the symbolic link. Otherwise zsh overwrites the existing file in place.

How are lines of history kept in zsh?

How many lines of history are kept is configured through the variables HISTSIZE and SAVEHIST. HISTSIZE is the maximum number of lines that are kept in a session and SAVEHIST is the maximum number of lines that are kept in the history file.

What happens if zsh opens a symbolic link?

How zsh opens the file, and therefore what happens if it is a symbolic link, depends on several options. If one of the options append_history (set by default), inc_append_history or share_history is set, or when the history is saved explicitly with fc -AI, zsh appends to the existing file.

Which is the default file name in zsh?

This should be an absolute file name (otherwise it will be interpreted relative to whatever directory is current at the time). Zsh has no built-in default value for HISTFILE.