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UNIX
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Q541

Which option is used with ls to display attributes of the directory ?

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Q542

A file contains 1026 bytes. How many bytes of disk space will it consume if size of a disk block is 1024 bytes?

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Q543

A file named abd.txt has the following set of permissions

-rwxrwxrwx

All the three operations i.e read, write and execute can be performed on the file by file owner, group owner and others.

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Q544

Using 'b' command we can . . . . . . . .

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Q545

Every time shift command is used, the leftmost variable is lost.

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Q546

The set of routines needed to operate a specific device is known as . . . . . . . .

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Q547

perror also uses error number to print the error messages.

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Q548

Which command is used for printing a file?

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Q549

Which command is used by the shell for manipulating positional parameters?

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Q550

tar command uses . . . . . . . . option for backing up files.

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Q551

We can perform sorting on secondary key also using sort command.

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Q552

Which command is used for executing jobs according to their priority?

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Q553

The "ed" text editor is no longer in use.

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Q554

Which one of the following command is invalid?

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Q555

The default action if selection_criteria is missing is . . . . . . . .

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Q556

Which of the following option is used with a set for debugging shell scripts?

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Q557

vi used . . . . . . . . to enter control characters.

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Q558

Which of the following is not true about awk arrays?

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Q559

Two UNIX systems may or may not use the same set of system calls.

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Q560

Which one of the following is the best way of saving and quitting the editor?

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