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Computer Science · all questions

UNIX
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Which command is used to list the attributes of a file?

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To replace all text on the right of the cursor position, we use . . . . . . . . command.

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A file owner does not have a permission to edit the file but the group to which the file owner belong do have the permission to edit it. Can owner edit the file?

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We can change the default permission set for files and directories using . . . . . . . .

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. . . . . . . . function breaks up a string on the basis of delimiter.

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Which of the following is false?

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Which of the following options are used with the cpio program?

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Which command is used for listing files in a directory?

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For deleting the line form current cursor to the end of the line, we can use:

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In how many categories, commands of UNIX operating system classified?

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Which of the following is not a valid symbolic constant?

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Which of the following command is a substitute for ':x' command?

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The syntax for using && is . . . . . . . .

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A file has permissions as rwx r– —. A user other than the owner cannot edit the file.

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

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When we execute a C program, CPU runs in . . . . . . . . mode.

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When fork() is invoked, the child process created gets a new PID.

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tar command can use the standard input to obtain its file list.

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Which option is used by ps command to get a detailed listing of process attributes?

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Which of the following symbol is used for negating the character class?

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