Tagged Questions
63
votes
1answer
9k views
Difference between nohup, disown and &
What is the difference between
$ nohup foo
and
$ foo &
and
$ foo &
$ disown
27
votes
4answers
2k views
What features are in zsh and missing from bash, or vice versa?
As a Linux user, I've always just used bash because it was the default on every distro I used. People using other Unix systems such as BSD seem to use other shells far more frequently. In the ...
25
votes
4answers
2k views
Is there any way to keep a command from being added to your history?
Is there any way to keep a command from being added to your history? I have a command that I want to keep out of my history file, and I really don't care to have it there when I search the history ...
22
votes
5answers
1k views
When do you use brace expansion?
I understand what brace expansion is, but I don't know how best to use it.
When do you use it?
Please teach me some convenient and remarkable examples if you have your own tip.
22
votes
1answer
613 views
Avoiding “BASH-isms” in shell scripts
Does there exist a tool similar to Perl::Critic that will inspect your shell scripts and point out flaws, portability issues, uses of non-standard programs without fallbacks, depreciated program uses, ...
15
votes
2answers
1k views
Display stuff below the prompt at a shell prompt?
Lets's say my prompt looks like this (the _ represents my cursor)
~ % _
Is there any way I could make it look like this
~ % _
[some status]
The question was originally about zsh, but now has ...
14
votes
1answer
1k views
Is it possible to have vim key bindings in terminal?
I'm getting used to vim bindings (like pressing w to go to word, dw to delete a word, and such) and it's modes (insert, normal, visual), and, out of curiosity would like to know: is there some kind of ...
13
votes
1answer
5k views
For loops in zsh and bash
I have noticed there are two alternative ways of building loops in zsh:
for x (1 2 3); do echo $x; done
for x in 1 2 3; do echo $x; done
They both print:
1
2
3
My question is, why the two ...
12
votes
3answers
1k views
Share aliases and PATH setting between zsh and bash
The shell that I normally use is zsh. I have several aliases to enable color in some programs such as ls and grep. I've also set my custom path so that I can execute programs in non-standard place ...
11
votes
2answers
212 views
Can I make `rm` interactive only when using globbing? (in either bash or zsh or both)
Whenever I rm multiple items at once with shell globbing and there's even the slightest possibility that the pattern expands to more than I expect it to, I always try to remember to add -i, but (of ...
7
votes
2answers
329 views
Shell Script for going through a dir recursively and chmodding based on conditions of file type
Can anyone point me to either code or a tutorial for writing a shell script that can recursively go through an entire directory structure (starting at the current working directory, or given an ...
7
votes
3answers
332 views
What is the main problem someone migrating from bash to zsh should face?
A few times I have had problems in bash that other using zsh didn't have and they were gloating about how smart they are.
Also I have seen zsh users among people that I admire, and I have tried a ...
6
votes
3answers
837 views
Switching to `zsh`: Are all bash scripts compatible with `zsh`?
I'm looking to switch from bash to zsh but concerned about compatibility of bash scripts.
Are all bash scripts/functions compatible with zsh? Therefore, if that is true is zsh just an enhancement to ...
6
votes
3answers
900 views
How to delete part of a path in an interactive shell?
Is there a shortcut in bash and zsh to delete one component of a path? For example, if I type ls ~/local/color/, and the cursor is at the end of line, is there a shortcut to delete the color/ at the ...
6
votes
2answers
378 views
Difference between alias in zsh and alias in bash
I have searched around but could not find anything conclusive. Is there a difference between the alias command in zsh and the alias command in bash? If not, does it mean I can share a set of aliases ...
