What is the purpose of the Bash built-in export command?
What is the purpose of the Bash built-in export command?
What is the output of the following command?
What is the output of the following command? echo “Hello World” | tr -d aieou
which is on a separate line and without any trailing spaces, is reached?
Which of the following characters can be combined with a separator string in order to read
from the current input source until the separator string, which is on a separate line and
without any trailing spaces, is reached?
Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?
Which of the following commands will NOT update the modify timestamp on the file
/tmp/myfile.txt?
What is the default nice level when a process is started using the nice command?
What is the default nice level when a process is started using the nice command?
What is the default action of the split command on an input file?
What is the default action of the split command on an input file?
What is the difference between the i and a commands of the vi editor?
What is the difference between the i and a commands of the vi editor?
Which command displays a list of all background tasks running in the current shell?
Which command displays a list of all background tasks running in the current shell? (Specify
ONLY the command without any path or parameters.)
Which of the following commands moves and resumes in the background the last stopped shell job?
Which of the following commands moves and resumes in the background the last stopped
shell job?
What is the effect of the egrep command when the -v option is used?
What is the effect of the egrep command when the -v option is used?