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Unix

Unix
Which of the following commands is used to remove files?

delete
None of these
erase
dm
rm

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Unix
Which command is used to display the characteristics of a process?

au
du
ps
pid

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

a
None of these
I
i
A

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Unix
Which command is used to make all files and sub-directories in the directory (progs) executable by all users?

chmod -R a+x progs
chmod -R 222 progs
chmod -1 a+x progs
chmod -x a+x progs

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Unix
You can append to a file instead of overwriting by using the

< symbols
>> symbols
None of these
> symbols

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Unix
Which of the following directories contain all the Alias created by a user, including his login directory?

/tmp
/usr
/dev
/etc

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