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- This needs to be done using Linux bash shell script. 2. Write a shell script display_digits to display all digits ( from leftright ) if the input is an integer, otherwise, show that the input isnot an integer, e.g.,"display_digits 1978 show "1 9 7 8", and"display Hahah12" should display "Hahah12 is not an integer"Hint: you will likely need to use the pipe | , echo command, and cut -ccommand. Also could you show screenshots.1. Explain the following unexpected result:$ whereis datedate: /bin/date ...$ echo $PATH.:/usr/local/bin:/usr/bin:/bin$ cat > dateecho "This is my own version of date."$ ./dateSunday April 14 10:00:49 PDT 2020 2. What are two ways you can execute a shell script when you do not have executepermission for the file containing the script? Can you execute a shellscript if you do not have read permission for the file containing the script? 3. What is the purpose of the PATH variable?a. Set the PATH variable so that it causes the shell to search the followingdirectories in order:• /usr/local/bin• /usr/bin• /bin• /usr/kerberos/bin• The bin directory in your home directory• The working directoryb. If there is a file named doit in /usr/bin and another file with the samename in your ~/bin directory, which one will be executed? (Assume thatyou have execute permission for both files.)c. If your PATH variable is not set to search the working directory, howcan you execute a program located…PLEASE USE MULTITHREADING IN THIS PROGRAM SO THAT MANY CLIENTS CONNECTED TO THE SERVER AND EACH CLIENT CAN SEND MESSAGE TO SERVER AND SERVER MESSAGE SHOWN TO ALL CLIENTS AND ONE CLIENT MESSAGE SHOWN TO ALL CLIENTS.PLEASE MAKE CHANGINGS IN THIS CODE. SERVER #include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <sys/socket.h>#include <sys/types.h>#include <netinet/in.h>#include <arpa/inet.h>#include <pthread.h>#define PORT 5500 void func(int connfd){ char buffer[1024]; int n; while(1) { bzero(buffer, 1024); read(connfd, buffer, sizeof(buffer)); printf("From client: %s\t To client : ", buffer); bzero(buffer, 1024); n = 0; while ((buffer[n++] = getchar()) != '\n'); write(connfd, buffer, sizeof(buffer)); if (strncmp("exit", buffer, 4) == 0){ printf("Server Exit...\n"); break; } }}int main(){ int sockfd, connfd, len; struct…
- Write a complete bash script that asks for a user name and uses the readcommand to accept the user name. (Use usernames C2456001 throughc2456030 to test.) The script reports if the user is logged in. Use the whocommand to obtain a list of users logged in then use grep in an if then elsestatement to match on the user name. Output whether that user is eitherlogged in or not logged in. (Usage: loggedIn.sh)You can configure your shell by editing the file~/.bashrc for instance to change the value of$ PS1 and $PAth permenatrly true or falseWrite a bash script that accepts aperson’s name as a command-line argument and simply prints out the following greeting: "Good day, <name_entered>! Nice to meet you!", where <name_entered> is a positional parameter (i.e., a command-line argument) passed to the script. If the user does notenter a command-line argument when invoking this shell script, you will simply output: "Hope you have a great day!", without any name displayed. How to do this??
- ******************SOLVE IN PowerShell, NOTHING ELSE******************** Write a function named ‘Generate-SSN' that generates all possible social security number in the form of ddd-dd-dddd. The output should be saved into a file named ssn.csv. Only the source code is required, do not submit ssn.csv.How to modify exitstatus.sh to print a message for each of the three exit statuses described in man ls. 0 - OK 1 - minor problem 2 - serious problem exitstatus.sh #!/bin/bash ls > /dev/null if [ $? -eq 0 ]; then echo "It seems to have worked, exit status 0" fi ls asdf 2> /dev/null if [ $? -eq 0 ]; then echo "It seems to have worked, exit status 0" else echo "An error occured, non-zero exit code." fi Solve fast pleaseIn Linux operating system: When writing shell scripts, we rely on the echo command to display output and prompt users for input. We know that the echo command will display exactly what we type on the command line unless we specify otherwise. What would be the command and option we would use to display what shell we are running followed by two newlines?
- Write a shell script to ADD two numbers? $ ./ADD 5 6 Output: Sum of 5 and 6 = 5+6 = 11 Use Switch Statement to solve the questionWrite Linux bash Shell Script, which will ask and display all information required to Student admission in Engineering and Sciences University. WEEK 3- Use following variables to write your CV in Linux bash script. Variable Script Output $0 $n $# $* $@ $? $$ $!In Command Prompt, we can run two commands on the same line independent of each other with the ampersand & (e.g. DIR & WHOAMI), and we can do the same in PowerShell with this character: Group of answer choices Comma , Semicolon ; Ampersand & Pipe |
