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Unix

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

A
a
i
None of these
I

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Unix
Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?

chmod go+x, u-x note
None of these
chmod u-x, go+r note
chmod g-x, uo+r note
chmod go+r, u+x note

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Unix
Which of the following is invalid filename?

my .file
None of these
TRY
trial

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

[ijk]
*
[!ijk]
None of these
?

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Unix
Which command is used to display a file contents in octal form?

of
oct
cd
od

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Unix
Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?

ls -F -x
Ip
ls -l
ls ~ x

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