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Unix

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

cd
oct
of
od

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

pat$
pat^
$pat
^pat

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Unix
Which of the following commands is used to summarize the disk usage?

du
disk
fdisk
chkdsk
None of these

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Unix
The UNIX file system stores a date in physical blocks of

256 bytes
None of these
2048 bytes
1024 bytes
512 bytes

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Unix
If a file has read and write permissions for the owner, then the octal representation of the permissions will be

6
5
3
1
None of these

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Unix
Which symbol is used to separate more than one command in the same command line?

:
;
#
$

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