Write a complete bash script that asks for a user name and uses the read command to accept the user name. (Use usernames C2456001 through c2456030 to test.) The script reports if the user is logged in. Use the who command to obtain a list of users logged in then use grep in an if then else statement to match on the user name. Output whether that user is either logged in or not logged in. (Usage: loggedIn.sh)

Write a complete bash script that asks for a user name and uses the read command to accept the user name. (Use usernames C2456001 through c2456030 to test.) The script reports if the user is logged in. Use the who command to obtain a list of users logged in then use grep in an if then else statement to match on the user name. Output whether that user is either logged in or not logged in. (Usage: loggedIn.sh)

LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.

5th Edition

ISBN:9781337569798

Author:ECKERT

Publisher:ECKERT

Chapter7: Working With The Bash Shell

Section: Chapter Questions

Problem 5DE

See similar textbooks

Similar questions

We want a Bash script which will take a list of usernames on the command line and print out which of those users is currently logged on, in alphabetical order, on one line. Please correct/complete below code and attach screenshot of output. for name in *dowho | grep -w "^name" | sed -e ’s/ .*//’ | uniqdone | sort | tr ’\n’ ’ ’echo
Write a complete bash script that takes a filename as input using the readcommand. The script first checks if the file exists. If the file exists thencontinue with rest of the script. If the file does not exist output that itdoesn’t exist and end the script. If the file exists then check if the file isexecutable. If the file is executable, output a message indicating it isexecutable else if the file is not executable then make the file executableusing the chmod command and output a message indicating that the file isnow executable. Also run a ls -l on the file to verify to the user that the filehas been made executable. Use If statements and test file operators. (Usage: executableFile.sh)
Write a bash script using for loop to list 0 - 9 as 1234567890 and the command prompt should be innext line of the resu
Write a BASH script that extracts the name and its version from the following naming format: “xcache-1.3.0.tar.gz”. in Linux
Program 3: Write a bash shell script that will enter the marks of a student and decide whether he has “passed” if he gets above 60 and “Fail” if the mark is below 60.
Write a Bash script that uses a for loop to loop over all the files stored in the usr/bin directory and display the name of all the files that has the string “fork” inside it.
Write a bash script to compute the area of the rectangle (user enters height and width), square (user enters length) and triangle (user enters base and height). Input values could be fractions. Use bc and display results up to 3 precision points.
Create a simple BASH shell script that executes the commands specified by you, using a number of different escape characters. Submit the script to your instructor in order to ensure that it functions correctly. Create a more complete BASH shell script that requires user input to be read and uses either an if, case, for, or while construct. Be sure to specify exactly what the script should do, and then submit the script once you complete it.
Write a bash script that displays the command line parameters starting from third argument to the last. The file name is lab1_2.sh for example bash lab1_2.sh aaa bbb ccc ddd eee fff ggg hhh ccc ddd eee fff ggg hhh The line ends with a new line
Using Bash, write a script that takes two files of unique numbers and displays the difference between two lists (without using grep). For example, File 1 contains: 1 2 4 6 File 2 contains:1 2 89 6 7 Output should be: only in file 1: 4 only in file 2: 89 7
Write a bash script that will run the command getReading1.sh and getReading2.sh to read values from two sensors. Use Random to simulate the readings. Store the values every 5 minutes along with date and time stamp in five columns in a file 'TemperatureReadings.csv'. The columns will appear like below: Reading1 Reading2 DateStamp Timestamp
Write a Bash script that removes all zero length ordinary files in the directory (including those in the sub-directories at all levels) passed as an optional argument. If you do not specify the directory argument, the script uses the current working directory as the default argument. This problem is for practicing bash programming skills. Though there is an easier way to achieve the goal with the find command, the find command is not allowed to appear in your bash scrip.