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where is a shell builtin command in csh where where where is a shell built-in the builtin is also available in zsh.


The only shells I know which has a builtin command called where is the tcsh and zsh. In the manual page of that shell (man tcsh / man zshbuiltins), you can find the definition: where command (+) Reports all known instances of command, including aliases, builtins and executables in path. Therefore it is the tcsh-equivalent of the ...


The linux command is called which. If you are used to in c-shells this might be a builtin. Bash builtins are documented through the bash builtin help. From Wikipedia:tcsh The built-in where command. Works like the which command but shows all locations of the target command in the directories specified in $PATH rather than only the one that will be used. ...


man itself is a tool to format manual pages, not to browse them. The tool you use to browse the man pages is a pager. The default pager on most systems is less. In less, when you press / or ? to search, a few characters have a special meaning if you type them at the beginning of the search expression. The exclamation mark is one of them. To avoid ! having a ...


man -k \! Not sure that is what you are really asking?


The apropos command reads from a cache. It's possible that recently-installed man pages are not yet referenced in that cache. Generally the cache is updated either after each package installation or in a cron job, I don't know how it's set up on CentOS. To update the cache, run mandb. There may be a prefered way to run it on your distribution (e.g. as a ...

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