command to kill the last job running at the background.
kill 1
KILL $$
kill $?
kill $!
What is the keyword "echoe" used for
Used to display the chanrecters that follow this unix command (Similar to echo).
When combined with "stty" as a switch (stty -echoe) would actually remove the backspaced charecter from display.
There is no such command / option in UNIX
a & b are correct
command to delete all files in the current directory and its sub directories?
rm -r *
rmdir *
Both the above
None of there
Number of prompts available in Unix system?
1
2
5
unlimited
What will the following command do? $ echo *
This will not work
Similar to ls command and displays all files in current dir
will display the string " * "
will display all the files in the previously ccessed directory
nohup command if added in front of any command will continue running the command or process even if you shut down your terminal or close your session to machine
True
False
UNIX command to wait for a specified number of seconds before exit.
sleep n
sleep(n-1)
snooze(n)
snooze n
If kill command does not allow killing of a process then we could use kill -9 to forcefully kill the process by mentioning the PID
Grep usually takes the input from another command (usually content of file or folders etc) where Find works without taking input from another command
The tar command archives and extracts files to and from a single file called a tarfile.
Yes, Correct
No This is for JAR command
TAR and JAR are same
none of these