How to tell if my shell is zsh or Bash?

How to tell if my shell is zsh or Bash?

If the shell is Zsh, the variable $ZSH_VERSION is defined. Likewise for Bash and $BASH_VERSION. However, these variables only tell you which shell is being used to run the above code. So you would have to source this fragment in the user’s shell.

Is it OK to define environment variables in.zshrc?

If it contains fish, zsh, bash, ksh or tcsh, the user’s favorite shell is probably that shell. However, this is the wrong question for your problem. Files like .bashrc, .zshrc, .cshrc and so on are shell initialization files. They are not the right place to define environment variables.

Is there a way to run bash from a shell?

This last suggestion can be run from a script regardless of which shell is used to run the script. EDIT: Sometimes it returns -zsh and sometimes zsh and the same with bash, idk why. An alternative, might not work for all shells. zsh no longer exports an env var called $ZSH_VERSION.

Why do I need to save the output of Bash?

A benefit of this approach is that it captures both outputs, and does not use sub-shells or pipes. These latter aspects are important because they can interfere with trapping bash exit handling (e.g. here) Sometimes you want to save the output, if it’s non-empty, to pass it to another command.

Is it safe to use Bash instead of shell?

If you want to rely on $SHELL, it is safer to actually execute some code: This last suggestion can be run from a script regardless of which shell is used to run the script. EDIT: Sometimes it returns -zsh and sometimes zsh and the same with bash, idk why.

Where to define an environment variable in shell?

The right place to define an environment variable is in a session startup file. This is mostly unrelated to the user’s choice of shell. Unfortunately, there’s no single place to define environment variables. On a lot of systems, ~/.profile will work, but this is not universal.

When was the first version of Zsh released?

Zsh was released in 1990 by Paul Falstad. Zsh has similarities with Korn shell as well. Linux and Mac OS use Bash as their default shell. Bash is the abbreviation of the Bourne-again shell.

What’s the difference between zsh and Korn shell?

Zsh has similarities with Korn shell as well. Linux and Mac OS use Bash as their default shell. Bash is the abbreviation of the Bourne-again shell. In 1971, the UNIX operating system was released along with the Thompson shell.

Are there any commands that do not work in zsh?

I am using the z Shell ( zsh) instead of the default bash, and something wrong happen so that all commands who used to work are no longer recognized: ls zsh: command not found: ls open -e .zshrc zsh: correct ‘open’ to ‘_open’ [nyae]?

How to get Zsh in iTERM 2 from Bash?

To have both commands and zsh in iTerm 2 from bash, you need to do the following: On iTerm 2, go to preferences (or command ,). Then go to the profile tab and go down to command. As you can see on the picture below, you need to select command option and paste path of zsh shell (to find the path, you can do which zsh ).

Are there any cross shell solutions for Bash?

Robust solutions for bash, ksh, zsh, including a cross-shell one, plus a reasonably robust POSIX-compliant solution: Version numbers given are the ones on which functionality was verified – likely, these solutions work on much earlier versions, too – feedback welcome.

Are there variable bindings in the zsh shell?

I’m slightly confused about the variable bindings/usage in ZSH; for example: correctly outputs 2011-08-23 as I’d expect. And when run with what I’d be wanting the blog title to be (ignoring the fact the string needs to be manipulated to make it more url friendly and that the route path/to doesn’t exist)