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UNIX

Unix
Which of the following commands is used to display the directory attributes rather than its contents?

ls -l -d
ls -F
ls -l
ls -x

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Unix
Which of the following files will displayed by this command cat *ch*

.ch
All of these
catch
patch

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Unix
The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

755
555
744

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Unix
If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use

stty intr ^c
stty echo ^a
stty echoe
tty ^c

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Unix
Which of the following is not a communication command.

grep
write
mail
mesg

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