Which of the following command is not a filter?
man
cat
pg
sed
Which is the command used to create a file with zero bytes
vi
touch
ls
How to find the 51th record of a file containing 100 records in unix
head -n 51 filename |tail -1
head -51 |tail -1
sed -n 51p
All of the above
Write a command to display a file’s contents in various formats?
oc -db file_name
oc -cdh filename
od -cbo file_name
od -cbd file_name
What is the command to display all the files in the current directory?
echo *
ll
list
cd
Write a command to kill the last background job?
Kill $!
Kill $@
Kill $%
Kill $&
Which of the following commands is not a filter?
head
Name the data structure used to maintain file identification?
dir
page
inode
istr
which command is used to display information about local and remote users?
finger
whois
who
whoami
Which command is used to delete all files in the current directory and all its sub-directories?
rm
rm -r
rmdir
del