Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

Which command is used to copy a file wb with the same name from the programs directory to the misc directory?

A

copy programs/wb misc/wb

B

cp programs/wb misc

C

tar programs/wb misc/wb

D

copy a:programs/wb b:misc/wb

E

None of the above

Which command is used to copy the three files wb, collect and mon into the misc directory, under the same, when you were currently in the programs directory?

A

copy wb ../misc collect ../misc mon ../misc

B

cp wb collect mon ../misc

C

copy wb collect mon /misc

D

tar wb collect mon /misc

E

None of the above

Given below is a word, followed by three sentences that consist of that word. Identify the sentences(s) that best express(es) the meaning of the word. Choose option 5 ‘None of the above’ if the word is not suitable in any of the sentences. COPY A. This is a cheap imitation; a blatant copy. B. They teach you how to write a copy in digital marketing. C. He suddenly died in copy.

A

Only A

B

Only B

C

Only C

D

Both A and B

E

Both B and C

If commands are stored in an external file, say commands.R in the working directory work, they may be executed at any time in an R session with the command ____________

A

source(“commands.R”)

B

exec(“commands.R”)

C

execute(“commands.R”)

D

exect(“command.R”)

If commands are stored in an external file, say commands.R in the working directory work, they may be executed at any time in an R session with the command . . . . . . . .

A

source("commands.R")

B

exec("commands.R")

C

execute("commands.R")

D

exect("command.R")

Consider a linear list based implementation in a file system. Each directory is a list of nodes, where each node contains the file name along with the file metadata, such as the list of pointers to the data blocks. Consider a given directory foo. Which of the following operations will necessarily require a full scan of foo for successful completion?

A

Renaming of an existing file in foo

B

Opening of an existing file in foo

C

Deletion of an existing file from foo

D

Creation of a new file in foo

Which of the following commands is used to copy directory structures in and out

A

cp

B

cpio

C

cp - p

D

copy

E

None of the above

One of the biggest threats to a company’s porductivity is absenteeism. Student show that companies with in-house child-care programs see fewer absences among their employees who are parents than companies without such programs. Therefore, many companies could boost their productivity by starting in-house child-care programs. Which of the followings, if true, most weakens the above argument?

A

In-house child-care programs create distractions for nonparents that can harm their productivity.

B

Absenteeism is not a serious problem for companies that impose harsh penalties on employees who miss work.

C

Productivity is not an important issue for the companies.

D

studies have shown that employees with children are more likely than those without children to remain in the same job for more than five years.

Consider the given statement and decide which of the given assumptions is (are) implicit in the statement. Statement: During an exam, an invigilator said, “if anyone tries to copy. I will cancel their exam”. Assumptions: 1. Some students copy during exams. 2. Students will not copy during exams.

A

Both assumptions 1 and 2 are implicit.

B

Only assumption 2 is implicit.

C

Only assumption 1 is implicit.

D

Either assumption 1 or 2 is implicit.

Consider the given statement and decide which of the given assumptions is/are implicit in the statement. Statement : During an exam, an invigilator said, "if anyone tries to copy, I will cancel their exam". Assumptions: 1. Some students copy during exams.
2. Students will not copy during exams.

A

Only assumption 2 is implicit

B

Only assumption 1 is implicit

C

Weather assumption 1 or 2 is implicit

D

Both assumptions 1 and 2 are implicit

Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

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