9 practice sets · Page 1 of 1
Which of the following commands is used to remove files from the user file system, with a confirmation prompt, if they have neither been accessed nor modified in the last one year?
find /user/* (-mtime +365 -a -atime +365) -ok rm {} ;
grep (/usr/*) -mtime +365 | -ok rm
find -mtime +365 | rm
find -name -mtime +365 / -ok rm
Which of the following commands is used to summarize the disk usage?
fdisk
chkdsk
du
disk
Which command is used to sort the lines of data in a file in alphabetical order?
sh
st
sort
sort -r
If a file has read and write permissions for the owner, then the octal representation of the permissions will be
5
6
1
3
Which command is used to copy a file named 'wb' from the 'programs' directory to the 'misc' directory while retaining its name?
copy a:programs/wb b:misc/wb
tar programs/wb misc/wb
copy programs/wb misc/wb
cp programs/wb misc
Which is the earliest and most widely used shell that came with the UNIX system?
C shell
Korn shell
Bourne shell
Smith shell
What does the seventh field of the /etc/passwd file represent?
login
home
password
shell
Which command is used to display the end of the file?
bof
head -r
tail
eof
Which command is used to create a directory?
cr
mkdir
md
crdir
