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Worksheets28thOS
Total questions: 10
Worksheet time: 5mins
Which of the following commands allows for moving one
level up in Linux directory tree?
cd -
cd ..
cd /
cd .
when creating soft link ,if the original file has been removed it won`t be useful any more ?
True
False
what is the Linux command segment used to append data to the "s.txt" file ?
echo "Hey Ubuntu "
echo "Hey Ubuntu " > s.txt
ls >> s.txt
echo "Hello " > s.txt
What is the name of a Linux command used for count the number of lines in a file ?
wc a.txt
count -l a.txt
wc -l a.txt
wc -w a.txt
Which Command Shows Permissions in Files
ls -l
ls -a
ls -h
ls -r
What single character can be used to refer to the active user's home directory?
^
$
~
there is none
What is the command to list hidden files & directory?
ls -l
ls -a
ls
None of these
Which of the following commands allows for moving one level up in Linux directory tree?
cd -
cd /
cd --
cd ~
Which permission amongst the following allows only groups to read and execute the file and denies all user as well as others to read, write and execute ?
rwxrwx---
rw-r-x--x
---r-x---
r-x-w-rwx
How to make a file executable the right way?
chmod 777
chmod a-x
chmod +x
chmod 400
