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Unix

Unix
While working with mail command, which command is used to save mail in a separate file?

r
w
d
s

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Unix
Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?

chmod 222 emp?
chmod u+x emp[1-3]
chmod u+r ??? emp
chmod 777 emp*

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Unix
Which command is used to print a file?

prn
lp
pg
print

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Unix
Which command is used to list out all the hidden files along with the other files?

ls -F
ls -l
ls -a
ls -x

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

cd HOME.
None of these
cd
cd/
cd..

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

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