What keyword is missing from this code sample of a shell script?
What keyword is missing from this code sample of a shell script? ____ i in *.txt; do echo $i done A. for B. loop C. until D. while
What keyword is missing from this code sample of a shell script? ____ i in *.txt; do echo $i done A. for B. loop C. until D. while
What command is used to hold keys during a login session to be used for automatic authentication while logging in to other machines using ssh? A. sshd B. ssh-agent C. ssh-keygen D. ssh-add
CORRECT TEXT Which file contains a set of services and permitted hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Please enter the full path) A. B. C. D.
CORRECT TEXT When searching for files owned by the root user, which option is required in the following command line: find . ________ 0 -print (Provide only the missing argument) A. B. C. D.
CORRECT TEXT With IPv6, how many bits have been used for the host identifier portion of an address? (Please enter the number and not a word) A. B. C. D.
What command should be used to print a listing of email in the system’s mail queue? A. lpq B. mailq C. mlq D. sendmail -l
On a dual boot system, every time the system is booted back into Linux the time has been set backward by one day. Which of the following commands will correct the problem? A. date -d ‘+ 1 day’ B. hwclock…
The correct crontab entry to execute the script chklog three times per month between 3 p.m. and 5 A. m.: B. * 3,4,5 1 * * chklog C. 3 3,4,5 1 * * chklog D. 3 15,16,17 * * *…
What is the main difference between the batch and at commands? A. The batch command will run multiple times.The at command will only run once. B. The batch command will run when system load is low. The at command runs…
How is the file format of /etc/crontab different from a normal crontab file? (Select TWO correct answers) A. The /etc/crontab file can specify a year field. B. A normal crontab file must be installed with the crontab command. C. A…