Q. To know the exit status of a command, we can use ____

View solution

Q. Which one of the following option is used for checking that the string is not null?

View solution

Q. We can use test to test various file attributes.

View solution

Q. Which option is used for checking if the file exists or not?

View solution

Q. Which of the following option is used for checking if the file is readable or not?

View solution

Q. Which of the following option is used for checking if the file is writable or not?

View solution

Q. To check if the file exists and is executable we have to use ___ option with test.

View solution

Q. -d option is used for checking if the file exists and is a directory.

View solution

Q. ____ option is used for checking whether a particular file is older than a specified file.

View solution

Q. To check if two files are linked to each other, we can use -ef option.

View solution

Q. case statement should have a corresponding closing esac.

View solution

Q. The ___ option in case statement matches any option not matched by the previous options.

View solution

Q. case can also be used for matching multiple patterns.

View solution

Q. case can also use wildcards to pattern matching.

View solution

Q. Which command is used for computation and string handling?

View solution

Q. expr can perform ____ arithmetic operations.

View solution

Q. Which of the following is performed by expr string handling’s function?

View solution

Q. The string to be worked upon is placed on the left of the colon when using expr string handling function.

View solution

Q. Which symbol is used for finding the length of the string?

View solution

Q. Which of the following pattern is used for extracting a substring using expr?

View solution