Which one works as an output and input device
Modem
Scanner
Mouse
Printer
All Computers Must have
An operating System
A Printer Attached
An anti-virus program
A word processor
What command used to search a string in a file?
ls
more
grep
search
What command used to open a simple calculator?
cal
basic
calculator
bc
What command used to show, how much disk space is being used up by folders?
df
du
susage
space
What command shows the disk space available on the system?
tar
uspace
What command shows, who is logged on and what they're doing?
whoami
w
telnet
finger
What command used to show the last few lines of a file?
tail
head
last
"chfn" will change your "Real Name" as seen on finger?
True
False
Command which is not related to "Communication"?
e-mail
read
talk
sftp