Question: Why does interaction with 3000shell often gets messed up when running programs in the background with &? What system calls are used to list all

Why does interaction with 3000shell often gets "messed up" when running programs in the background with &?

What system calls are used to list all the files in a directory? What are the library calls that are normally used to make those system calls?

What happens when you delete line 293 (the call to wait())? Why?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

. [1] Why does interaction with 3000shell often gets "messed up" when running programs in the background with &? [2] What system calls are used to list all the files in a directory? What are the...

Q:

7. [2] When we call a system call such as fork in C, we do so with what looks like a C function call. Are we really making a function call? 8. [2] What does parse_args() do? Specifically, what is its...

Q:

Given code: utils.c (for reference DON'T Modify), utils.h (DON't Modify) and main_template.c (Write Code HERE) --> UTILS.C [DO NOT MODIFY] pasting image cause Chegg character limit >:( --> UTILS.h...

Q:

Summarize these pages to 4 or 5 pages User and Operating-System Interface We mentioned earlier that there are several ways for users to interface with the operating system. Here, we discuss two...

Q:

----------------------------------- summarize these into 4 pages and dont !!! include informaion outside of the images ---------------------------------------------- User and Operating-System...

Q:

summarize these into 4 or 5 pages User and Operating-System Interface We mentioned earlier that there are several ways for users to interface with the operating system. Here, we discuss two...

Q:

Part 1: Remote access to mdb-lookup-cs3157 using netcat (100 points) --------------------------------------------------------------------- (a) You learned in class how to use a named pipe (aka FIFO)...

Q:

Part 1: Remote access to mdb-lookup-cs3157 using netcat (100 points) --------------------------------------------------------------------- (a) You learned in class how to use a named pipe (aka FIFO)...

Q:

You learned in class how to use a named pipe (aka FIFO) and the netcat (nc) program to turn mdb-lookup-cs3157 into a network server. mkfifo mypipe cat mypipe | nc -l some_port_num |...

Q:

Part 1: Remote access to mdb-lookup-cs3157 using netcat (100 points) --------------------------------------------------------------------- (a) You learned in class how to use a named pipe (aka FIFO)...

Q:

WEATHER The temperature in Columbus, Ohio on Monday is 35 degrees warmer than it was on Sunday. Saturday's temperature was 7 degrees cooler than Sunday's. At 45 degrees, Friday's temperature was 22...

Q:

Pricing Mini Case: Calculating Brand Equity Brand equity is one of the most important concepts for marketers, yet it remains notoriously difficult to measure. There are many definitions for brand...

Q:

Which of the following statement is incorrect? Group of answer choices Most of the answers are correct except one. Vanilla bonds have coupon payments that are fixed for the life of the bond, with the...

Q:

Seved Help 14 Wisconsin Snowmobile Corp. is considering a switch to level production Cost efficiencies would occur under level production, and aftertax costs would decline by $31,500, but inventory...

Q:

Economist John Taylor has suggested that the Fed use the following rule for choosing its target for the federal funds interest rate (r): r = 2% + + 12 (y y*) / y* + 12 ( *), where is the average...

Q:

Suppose banks install automatic teller machines on every block and, by making cash readily available, reduce the amount of money people want to hold. a. Assume the Fed does not change the money...

Q:

Consider two policiesa tax cut that will last for only 1 year and a tax cut that is expected to be permanent. Which policy will stimulate greater spending by consumers? Which policy will have the...