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Recent questions tagged system-call
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Best Open Video Playlist for System Calls Topic | Operating Systems
Please list out the best free available video playlist for System Calls from Operating systems as an answer here (only one playlist per answer). We'll then ... to be selected as best.For the full list of selected videos please see here
makhdoom ghaya
200
views
makhdoom ghaya
asked
Aug 20, 2022
Study Resources
missing-videos
go-classroom
free-videos
video-links
system-call
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1.7k
views
1
answers
1
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Made easy || Operating system
Consider a process P running on a system with non-preemptive Kernel design. Consider following actions by P :(i) A blocking system call.(ii) Servicing a timer ... as ready.Which of the above actions always result in context-switch of P?
Shreya2002
1.7k
views
Shreya2002
asked
Aug 5, 2022
Operating System
made-easy-test-series
operating-system
system-call
context-switch
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551
views
1
answers
0
votes
operating system
what is seek system call? can anyone explain?
jugnu1337
551
views
jugnu1337
asked
Dec 18, 2021
Operating System
operating-system
system
system-call
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11.2k
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4
answers
18
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GATE CSE 2021 Set 1 | Question: 14
Which of the following standard $C$ library functions will always invoke a system call when executed from a single-threaded process in a $\text{UNIX/Linux}$ operating system?$\textsf{exit}$\textsf{malloc}$\textsf{sleep}$\textsf{strlen}$
Arjun
11.2k
views
Arjun
asked
Feb 18, 2021
Operating System
gatecse-2021-set1
multiple-selects
operating-system
system-call
1-mark
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2.7k
views
2
answers
3
votes
UGC NET CSE | October 2020 | Part 2 | Question: 84
Assuming that the system call $\text{fork}()$ never fails, consider the following C program $P1$ and $P2$ ... but Statement $II$ is falseStatement $I$ is incorrect but Statement $II$ is true
go_editor
2.7k
views
go_editor
asked
Nov 20, 2020
Operating System
ugcnetcse-oct2020-paper2
operating-system
system-call
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1.6k
views
2
answers
0
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NIELIT 2017 DEC Scientific Assistant A - Section B: 37
How many times the word "PROCESS" will be printed when executing the following program ?main(){ printf("PROCESS"); fflush(); fork(); fork(); }$8$4$6$7$
admin
1.6k
views
admin
asked
Mar 31, 2020
Operating System
nielit2017dec-assistanta
operating-system
system-call
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265
views
0
answers
0
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Andrew S. Tanenbaum (OS) Edition 4 Exercise 4 Question 9 (Page No. 333)
In UNIX and Windows, random access is done by having a special system call that moves the current position'' pointer associated with a file to a ... file. Propose an alternative way to do random access without having this system call.
admin
265
views
admin
asked
Oct 26, 2019
Operating System
tanenbaum
operating-system
file-system
system-call
descriptive
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2.0k
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1
answers
2
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Andrew S. Tanenbaum (OS) Edition 4 Exercise 2 Question 4 (Page No. 174)
When an interrupt or a system call transfers control to the operating system, a kernel stack area separate from the stack of the interrupted process is generally used. Why?
admin
2.0k
views
admin
asked
Oct 24, 2019
Operating System
tanenbaum
operating-system
process-and-threads
system-call
threads
descriptive
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700
views
0
answers
0
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Andrew S. Tanenbaum (OS) Edition 4 Exercise 1 Question 29 (Page No. 83)
Figure $1-23$ shows that a number of UNIX system calls have no Win32 API equivalents. For each of the calls listed as having no Win32 equivalent, what are the consequences for a programmer of converting a UNIX program to run under Windows?
admin
700
views
admin
asked
Oct 23, 2019
Operating System
tanenbaum
operating-system
unix
system-call
descriptive
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247
views
0
answers
0
votes
Andrew S. Tanenbaum (OS) Edition 4 Exercise 1 Question 28 (Page No. 83)
To a programmer, a system call looks like any other call to a library procedure. Is it important that a programmer know which library procedures result in system calls? Under what circumstances and why?
admin
247
views
admin
asked
Oct 23, 2019
Operating System
tanenbaum
operating-system
system-call
descriptive
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721
views
0
answers
2
votes
Andrew S. Tanenbaum (OS) Edition 4 Exercise 1 Question 23 (Page No. 82 - 83)
A file whose file descriptor is fd contains the following sequence of bytes$: 3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5.$ The following system calls are made: ... a seek to byte $3$ of the file. What does buffer contain after the read has completed?
admin
721
views
admin
asked
Oct 23, 2019
Operating System
tanenbaum
operating-system
system-call
descriptive
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263
views
0
answers
0
votes
Andrew S. Tanenbaum (OS) Edition 4 Exercise 1 Question 20 (Page No. 82)
For each of the following system calls, give a condition that causes it to fail: fork, exec, and unlink.
admin
263
views
admin
asked
Oct 23, 2019
Operating System
tanenbaum
operating-system
system-call
descriptive
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334
views
0
answers
0
votes
Andrew S. Tanenbaum (OS) Edition 4 Exercise 1 Question 16 (Page No. 82)
When a user program makes a system call to read or write a disk file, it provides an indication of which file it wants, a pointer to the data buffer ... to the disk? Need the caller be blocked awaiting completion of the disk transfer?
admin
334
views
admin
asked
Oct 23, 2019
Operating System
tanenbaum
operating-system
system-call
interrupts
descriptive
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254
views
0
answers
0
votes
UPPCL AE 2018:54
Assume that a file is written using write $\text{(fd, buf, K)}$ system call, where $\text{fd}$ is the file descriptor and $\text{K}$ is the number of bytes to be written ... least $\text{K/D}$is equal to $\text{K/D}$is at most $\text{K/D}$
admin
254
views
admin
asked
Jan 5, 2019
Operating System
uppcl2018
operating-system
system-call
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421
views
1
answers
0
votes
UPPCL AE 2018:36
Consider the following program.#include<stdio.h> #include<stdlib.h> #include<unistd.h> int main(void) { pid_t pid; int varl = 100; pid = fork(); if(pid == 0) /* ... $100 \; 200 \; 200 \; 200$
admin
421
views
admin
asked
Jan 5, 2019
Operating System
uppcl2018
operating-system
system-call
fork-system-call
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290
views
0
answers
0
votes
UPPCL AE 2018:19
Consider the following statements regarding interrupts.If a process is interrupted during system call handling then the $\text{OS}$ will crash.If a process is interrupted during system ... $\text{III}$ $\text{I}$ and $\text{III}$
admin
290
views
admin
asked
Jan 5, 2019
Operating System
uppcl2018
operating-system
system-call
interrupts
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–
1.1k
views
2
answers
1
votes
UGC NET CSE | November 2017 | Part 3 | Question: 75
Match the following WINDOWS system calls and UNIX system calls with reference to process control and File manipulation. ...
Arjun
1.1k
views
Arjun
asked
Nov 5, 2017
Operating System
ugcnetcse-nov2017-paper3
operating-system
system-call
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–
1.0k
views
3
answers
2
votes
General Topic Doubt Operating System: Fork
How is the answer coming out to be 32?
Ishita Gupta
1.0k
views
Ishita Gupta
asked
Sep 10, 2016
Operating System
fork-system-call
system-call
operating-system
general-topic-doubt
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