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Unix

Unix
Which of the following is invalid filename?

None of these
TRY
my .file
trial

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Unix
Which command is used to print a file?

pg
lp
print
prn

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Unix
Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note?

chmod 761 note
chmod 4=rwx, g=rw note
chmod 167 note
chmod 671 note

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Unix
Which of the following commands is used to rename a file?

ren
remove
mv
rename

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Unix
Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it

#NAME?
-r
-1
None of these

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Unix
Which of the following commands is used to have a two-way communication with any person who is currently logged in?

None of these
grep
write
mesg
mail

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MORE MCQ ON Unix

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