Explain how a bash executes a command , say ls -l . in 3-4 sentences ?
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5. Explain how a bash executes a command , say ls -l . in 3-4 sentences ?
be brief and clear
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- Write a script file in Bash to recognize commands written as a text for time (e.g. show the current time in Romania) based on keywords (time, hours, hours left until an event) and arguments which exist in the phrase. Code 5 such examples at your choice.Subject: opearating system Write a bash script to take a year as input from user and check whether the input year is a LEAP YEAR OR NOT. HINT: Any year which is exactly divisible by 4 is a leap year. Solve as soon as possibleNote : Write in Bash Language Write simple fork() code to print child and parent values taken from user. Take two different values from user one for child and one for parent. ( Hint :- Use 0,1 for parent and child.)
- Explain how this script works and what it does. Give an example of invoking this script. ./uli101positionals.bash #!/bin/bash set 10 9 8 7 6 5 4 3 2 1 echo echo "\$0 is: $0" echo echo "\$10 is: $10" echo echo "\${10} is: ${10}"Analyze the following code, and determine which mathematical operation is taking place. Note that you may need to look up rol and lsl operations. You may use AVR references to do this. The correct answer must be written in ONE WORD as a response. ;Numbers in R1:R0 and R3ldi R16, 0x03; 0x0325 to R1:R0mov R1,R16ldi R16,0x25mov R0,R16clr R2;R2 is needed to shift the number to left,zero at startldi R16, 0x7A to R3mov R3,R16;clr result in R6:R5:R4clr R6clr R5clr R4Loop1:lsr R3brcc Loop2add R4,R0adc R5,R1adc R6,R2Loop2:lsl R0rol R1rol R2tst R3brne Loop1;Result is in R6:R5:R4,doneYour very own .bashrcfile Create your own .bashre file that sets various variables and aliases. Log out and back in again (pressing will exit from the bash shell and you can then log back in again by typing the bash command). Include the bash script in your report and a transeript of sample testing to show that the script works.
- What is the difference between clc and clear commands? B I A- CLC: Clear the contents of the command window without any effect on all variables in the working environment Clear: Clear all variables from the workspace D (丁欣朔) 11:44:57 Create a matrix 20 by 20. Fill it in the following way. Each matrix entry in the intersection of two middle rows and two middle columns should be assigned number 10, and all other matrix entries should be assigned number 5. A- BI A=10*ones(20,20) - 5*eye(20,20)-5fliplr(eye(20,20))Write a bash script to print output as shown below: ************** Module2.1 bash scripting. Learn to Code. **************Write a simple bash script that prompts the user to enter the number of students and each student's name, score, and displays the highest score as shown in figure.