Computer Science · all questions

UNIX
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Q101

Which of the following command is used to go to home directory?

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Q102

Which command is used to move all files to the bin sub-directory of the parent directory?

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Q103

Which command is used to save the standard output in a file, as well as display it on the terminal?

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Q104

The command that can be used to restrict incoming messages to a user is

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Q105

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

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Q106

Which of following commands is used for an automatic reminder service?

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Q107

Which command allows you to view your file 24 lines at a time?

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Q108

Which of the following special shell variables is used to process number of the current shell?

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Q109

Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files?

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Q110

Which command is used with vi editor scroll half page backward?

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Q111

Which command is used with vi editor to move cursor forward to first occurrence of character 'ch' in the current line?

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Q112

Which of the following keys is used to delete the character beneath the cursor?

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Q113

Which command is used to assign only read permission to all three categories of the file 'note'?

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Q114

Which command will be used with vi editor to append text at end of line?

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Q115

The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has

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Q116

Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it?

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Q117

Which of the following shell's wildcards are used to match any number of characters including none?

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Q118

The command used to remove the directory is;

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Q119

Which symbol will be used with grep command to match the pattern pat at the end of a line?

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Q120

Which command is used to display all the lines with the string 'sales' from the file empl.lst?

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