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Linux Foundation LFCS Exam - Topic 8 Question 91 Discussion

Posted by Lauryn on Nov 13, 2024 at 05:42 PM

Which of the following commands lists all defined variables and functions within Bash?

Suggested Answer: B, C

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30 comments · newest first
SH
Shay 11 months ago
Really? I had no idea set did that!
ME
Meaghan 11 months ago
Nope, env just lists environment variables, not all.
JE
Jesusa 11 months ago
Wait, I thought env was the right one?
AL
Allene 12 months ago
Totally agree, set shows all variables!
FR
France 12 months ago
The correct command is B, set.
VA
Valene 12 months ago
I remember a question like this in practice, and I think "set" was the right answer for showing all variables and functions.
DO
Dong 1 year ago
I vaguely recall something about "env -a," but I don't think it lists everything. Could it be "set"?
TR
Tricia 1 year ago
I feel like "env" just shows the environment variables, not all defined ones. Maybe it's "set"?
RO
Rosendo 1 year ago
I think the command to list all variables is "set," but I'm not completely sure. I remember practicing with it.
RO
Ronald 1 year ago
I've used 'set' before to list variables, so I'm leaning towards that as the answer. But I want to make sure I'm not missing something, so I'll quickly review the other options too.
YA
Yasuko 1 year ago
Okay, let me think this through. I know 'env' lists environment variables, but I'm not sure if that includes user-defined variables and functions. I'll have to double-check the Bash documentation on this.
RO
Roosevelt 1 year ago
Hmm, I'm a bit confused on this one. I think it might be C, 'env -a', but I'm not 100% sure.
AU
Audra 1 year ago
I'm pretty sure the answer is B. The 'set' command lists all defined variables and functions in Bash.
CH
Cherelle 1 year ago
Whoever came up with D. echo $ENV as an option must be living in a different universe. That's just silly.
LO
Louvenia 1 year ago
The correct answer has to be B. set. I remember learning that in my Bash scripting class.
CH
Chu 1 year ago
↳ replying to Louvenia
Thanks for the reminder. I'll remember that for next time.
JU
Judy 1 year ago
↳ replying to Louvenia
Oh, you're right. It is B) set.
RO
Romana 1 year ago
↳ replying to Louvenia
No, I'm pretty sure it's B) set.
LE
Leonora 1 year ago
↳ replying to Louvenia
I think it's A) env.
RE
Reuben 2 years ago
I was thinking C. env -a, but now I'm second-guessing myself. Hmm, tough choice.
SH
Shelton 1 year ago
↳ replying to Reuben
B) set
CO
Cory 1 year ago
↳ replying to Reuben
A) env
GE
Geoffrey 2 years ago
I'm not sure, but I think A) env might also be a possible answer.
FR
Francene 2 years ago
I agree with you, Carmela. The set command lists all defined variables and functions in Bash.
AV
Avery 2 years ago
B. set is the way to go, no doubt about it. It's like the Swiss Army knife of Bash commands.
SH
Shawnna 1 year ago
↳ replying to Avery
D) echo $ENV
TR
Trinidad 1 year ago
↳ replying to Avery
C) env -a
FR
Fredric 1 year ago
↳ replying to Avery
B) set
LU
Luis 2 years ago
↳ replying to Avery
A) env
CA
Carmela 2 years ago
I think the answer is B) set.
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