Which of the following commands is used to display the directory attributes rather than its contents?
ls -1 -d
ls -1
ls -x
ls -F
Which of the following files will displayed by this command cat ch
patch
catch
.ch
All of the above
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:
000
755
744
555
If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use
tty ^c
stty intr \^c
stty echoe
stty echo \^a
Which of the following is not a communication command.
write
mesg
mail
grep
Which of the following keys is used to move the cursor to the end of the paragraph.
}
{
$
Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?
cat emp[!0-9]
more [emp][!0-9]
cat emp[x-z]
cat emp[a-z]
The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is
tee
tr
sort
Which command is used to remove a file?
remove
rm
mv
del
Which symbol is used to separate more than one command in the same command line?
#
:
;
