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After a lot of write operations, the administrator want to ensure that the kernel flushes the file system buffers to disk. Which command will accomplish this? (Specify ONLY the command without any path or parameters.)
Suggested Answer: C
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34 comments · newest first
AN
Anjelica
10 months ago
I thought there were other ways to flush buffers?
DO
Dong
11 months ago
Yup, `sync` does the job.
LU
Lucy
11 months ago
Wait, are we sure that's the only command?
SH
Shannon
11 months ago
Agreed, `sync` is the right command!
MA
Marvel
11 months ago
It's definitely `sync`.
DO
Donette
12 months ago
Yeah, "sync" sounds familiar, but I hope I’m not confusing it with a command that just checks the disk.
OC
Ocie
12 months ago
I feel like "sync" is right, but I might be mixing it up with something else related to file systems.
EA
Earlean
12 months ago
I remember practicing a similar question, and "sync" was definitely the answer we discussed.
SY
Sylvia
1 year ago
I think the command is "sync," but I'm not completely sure if there are other options.
AR
Armanda
1 year ago
Okay, let me think this through. The question is asking for the command to flush the file system buffers, and I believe that's the 'sync' command. I'll go with that.
MI
Micah
1 year ago
Ah, yes, the 'sync' command is what we need here. I remember learning about that in class. This should be a pretty easy one to answer.
KA
Kaycee
1 year ago
I'm not totally sure about this one. I know there's a command to flush the buffers, but I can't remember the exact name. I'll have to think this through carefully.
AL
Alpha
1 year ago
Hmm, this seems straightforward. I think the 'sync' command is the one that flushes the file system buffers to disk.
JI
Jill
1 year ago
The 'sync' command, got it. I'm pretty confident that's the right answer here. This type of question seems straightforward, so I'm feeling good about it.
JE
Jessenia
1 year ago
Hmm, I'm a bit confused about the difference between the data key and the master key. I'll need to review that part of the explanation more carefully before answering.
HI
Hillary
1 year ago
Hmm, I'm a bit unsure about this one. The image doesn't provide much context, so I'll need to think through the possible scenarios that could lead to an upgrade failure on a switch.
LE
Lenna
1 year ago
Sync? More like 'syncing my teeth with this exam question!' Amirite, folks? Anyone? Bueller?
TI
Tijuana
1 year ago
Sync, the one and only. Although I hear the old-school admins prefer to just throw the entire server at the disk to get the job done. Efficiency at its finest!
DE
Devora
1 year ago
Haha, throwing the entire server at the disk sounds like a wild approach!
JE
Jesusita
1 year ago
Yeah, sync is the way to go for sure.
GA
Gabriele
1 year ago
sync
MA
Matthew
1 year ago
Sync is the command you're looking for. Though I'd recommend the admin invest in a few solid-state drives while they're at it. Less buffering, more instant gratification!
IN
Inocencia
1 year ago
Agreed, they make a huge difference in performance.
AN
Angella
1 year ago
Solid-state drives are definitely a game changer.
BR
Britt
1 year ago
sync
CO
Colby
1 year ago
Sync is the answer, easy peasy. Although I do wonder if the admin has been keeping up with their disk maintenance. Gotta love those file system buffers, am I right?
BA
Basilia
2 years ago
Yes, sync is the correct command for that. It helps prevent data loss in case of a system crash.
VE
Veta
2 years ago
I think it's sync because it forces the kernel to flush file system buffers to disk.
GI
Gilberto
2 years ago
Sync, of course! That's the classic way to flush those buffers straight to the disk. No-brainer!
JE
Jeannetta
1 year ago
Yes, sync is a simple and effective way to ensure the file system buffers are flushed to disk.
DO
Dorothy
1 year ago
Good to know, I'll remember to use sync for that purpose.
MO
Mona
1 year ago
Exactly, sync is the command you need to use to flush those buffers to disk.
LO
Long
1 year ago
sync
BA
Barbra
2 years ago
sync