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Read the below passage and answer the questions Shell can be accessed by users using a command line interface. A special program called Terminal in Linux/macOS, or Command Prompt in Windows OS is provided to type in the human-readable commands A program which is responsible for providing an interface to a user so that he/she can access the shell. It basically allows users to enter commands and see the output of those commands in a text-based interface.  As a shell can also take commands as input from file, we can write these commands in a file and can execute them in shell to avoid this repetitive work. These files are called Shell Scripts or  Shell Programs . Shell script comprises the following elements – ·        Shell Keywords – if, else, break etc. ·        Shell commands – cd, ls, echo, pwd, touch etc. ·        Functions ·        Control flow – if..then..else, case and shell loops etc.Solution
A single-line comment starts with hashtag symbol with no white spaces (#) and lasts till the end of the line. If the comment exceeds one line then put a hashtag on the next line and continue the comment.
Select the figure that will come in place of the question mark (?) in the following figure series.
 'A + B' means 'A' is the sister of 'B'.
'A @ B' means 'A' is the wife of 'B'.
'A $ B' means 'A' is the son of 'B'.
'A % B' means ...
Select the Venn diagram that best represents the relationship between the following classes.
Rivers, Ganga, Water bodies
In a certain code language,
'Space Thee Bliss' is written as 'is jk th',
'Bliss Youth Last' is written as 'th cu wn',
'River Last G...
Select the letter-cluster that can replace the (?) in the following series.
DEB, IJG, NOL,  ?,  XVV     Â
P, Q, R, S, T, U and V are standing in a queue.
i. T is just behind P.
ii. V is just in front of Q, who is not the last person.
iii...
Select the number from among the given options that can replace the question mark (?) in the following series.
3, 78, 9, 69, 15, 60, ?
If ‘+’ means ‘divided by’. ‘ ̶ ’ means ‘added to’, ‘×’ means ‘subtracted from’ and ‘÷’ means ‘multiplied by’, what wi...
If in any code language AJAY is written as 1117, then is same code NAMA would be written as ?
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different.
