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Add to SafariDASH vs tcsh (shell)
When comparing DASH vs tcsh (shell), the Slant community recommends DASH for most people. In the question“What are the best UNIX shells?” DASH is ranked 8th while tcsh (shell) is ranked 10th. The most important reason people chose DASH is:
Dash has a very fast startup, this happens because the shell is started a lot of times during boot and dash minimizes the work it does during this process.
Question Ranking
Pros
Pro Fast startup
Dash has a very fast startup, this happens because the shell is started a lot of times during boot and dash minimizes the work it does during this process.
Pro Low memory usage, which matters a lot in embedded
It is designed to be very lightweight and has no support for shell specific extensions that are not POSIX.
Pro Default shell on Debian systems
DASH is the default shell for Debian based systems due to it speed, full POSIX compliance and low overhead.
Pro Full POSIX support
It's fully POSIX compatible, so if your script runs on dash it will probably run on all other shells.
Pro A perfect clone
It's a clone of the original System V4 Bourne shell.
Pro C-like shell
It's a C-like shell with tenex command-completion feature, which is very convenient.
Pro Organized documentation
All the documentation that's needed to use tcsh is located in man tcsh instead of being spread on various helper programs.
Cons
Con Doesn't support all bash features
Dash does not support all bash features, sometimes called 'bashisms' unless explicitly pointed at /bin/sh.
Con Limited support online
The support and number of guides and tutorials is rather limited for tcsh online because there are not many people who use it. At least compared to some of the other more popular alternatives.
