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[-] joyjoy@lemmy.zip 10 points 7 months ago

It's a bash builtin, so none of these work anyway.

[-] Jankatarch@lemmy.world 8 points 7 months ago* (last edited 7 months ago)

That's what help command is for.

help cd
help while
help

[-] tal@lemmy.today 13 points 7 months ago

Oooh, neat. I didn't know about that. Thanks. That better not have been around since the 1990s or something, with me always searching the bash(1) man page to find builtin information.

$ help help|head -n2
help: help [-dms] [pattern ...]
    Display information about builtin commands.
$ git clone https://git.savannah.gnu.org/git/bash.git
$ cd bash
$ git log -S "Display information about builtin commands."|grep ^commit|tail -n1
commit 3185942a5234e26ab13fa02f9c51d340cec514f8
$ git show 3185942a5234e26ab13fa02f9c51d340cec514f8|grep ^Date
Date:   Mon Jan 12 13:36:28 2009 +0000
$

Well, it's not the 1990s, but still. Dammit.

[-] Jankatarch@lemmy.world 8 points 7 months ago* (last edited 7 months ago)

LMAO actual madlad going in to check personally.

Also damn that was 16 years ago.

[-] joyjoy@lemmy.zip 6 points 7 months ago

It gets complicated when using zsh.

[-] burntbacon@discuss.tchncs.de 7 points 7 months ago

I'm not complaining, much, but when my distro switched from bash to zsh and I didn't know until I reinstalled it for shins and gargles... that was a bad day for my remembered commands.

[-] tal@lemmy.today 3 points 7 months ago

If you're not familiar, there's a chsh command.

[-] joyjoy@lemmy.zip 1 points 7 months ago

That probably wasn't part of the upgrade process.

[-] Jankatarch@lemmy.world 2 points 7 months ago

Ah that's fair lmao

[-] palordrolap@fedia.io 5 points 7 months ago

FWIW, most if not all bash builtins turn up when searching in man bash for [four spaces]command-name[space], but as someone else points out, the help command also er, helps.

[-] AnUnusualRelic@lemmy.world 5 points 7 months ago

Or you could read the info pages.

[-] palordrolap@fedia.io 3 points 7 months ago

Maybe it's the (default) configuration on my distro, but info bash is the same information as man bash but with no bold text for headings and things. Ironically, I think I'd have to sit down with man info or info info for an hour or two before I could figure out how to get that formatting to show up in info.

[-] AnUnusualRelic@lemmy.world 1 points 7 months ago

Info pages are supposed to be way way more comprehensive than man pages. At least for the Gnu stuff since nobody else ever bothered with info (which can be painful to use for newcomers with the cli browser, although the kde help browser integrates info files flawlessly, of course).

this post was submitted on 22 Oct 2025
300 points (100.0% liked)

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