What are positional parameters?
Answer: special variables for assigning arguments from the command line
To run the script, we should make it executable first by using _____
What is a shell script?
Answer: a file containing a series of commands
Which one of the following option is used for checking that the string is NULL string?
Which option is used for checking if the file exists or not?
Which of the following option is used for checking if the file is readable or not?
To check if the file exists and is executable we have to use ___ option with test.
____ option is used for checking whether a particular file is older than a specified file.
To spawn a child of our own choice for running the script, we can use ___ command.
Which command is used for making the scripts interactive?
The first argument is read by the shell into the parameter ___
The complete set of positional parameters is stored in ______ as a single string.
Which of the following is used for storing the number of positional parameters?
Which of the following option is used for checking if the file is writable or not?
In a system, if 5 people are currently using the vi editor. then the number of corresponding processes will be
The permission bits of a file noname. can be set to _rws_ _x_ _x by the command.
Answer: None of the above
/bin/passwd has the user execution permission set to 's' because
Redirection in pipes can be achieved by using