How to install and scan virus with ClamAV?

How to install ClamAV and scan virus? - Ubuntu terminal

Open the terminal (CTRL + ALT + T)

$ sudo apt-get install clamav



Update virus database

$ sudo freshclam



How to scan virus?

$ sudo clamscan -r /

or 

$ sudo clamscan -r --bell -i /

for more options in ClamAV

$ sudo clamscan --help

/boot/initrd.img-3.13.0-106-generic: OK
/boot/grub/fonts/unicode.pf2: OK
/boot/grub/locale/en_GB.mo: OK
/boot/grub/locale/en_AU.mo: OK
/boot/grub/locale/en_CA.mo: OK
/boot/grub/gfxblacklist.txt: OK
/boot/grub/grub.cfg: OK
/boot/grub/i386-pc/setpci.mod: OK
/boot/grub/i386-pc/efiemu32.o: OK
/boot/grub/i386-pc/functional_test.mod: OK
/boot/grub/i386-pc/gcry_md4.mod: OK
/boot/grub/i386-pc/gcry_seed.mod: OK
/boot/grub/i386-pc/acpi.mod: OK
/boot/grub/i386-pc/mdraid09_be.mod: OK
/boot/grub/i386-pc/hfs.mod: OK
/boot/grub/i386-pc/tftp.mod: OK
/boot/grub/i386-pc/search_fs_uuid.mod: OK
/boot/grub/i386-pc/cpuid.mod: OK
/boot/grub/i386-pc/mdraid09.mod: OK
/boot/grub/i386-pc/gfxmenu.mod: OK
/boot/grub/i386-pc/minix3.mod: OK
/boot/grub/i386-pc/cmostest.mod: OK
/boot/grub/i386-pc/gcry_crc.mod: OK
/boot/grub/i386-pc/diskfilter.mod: OK
/boot/grub/i386-pc/command.lst: OK
/boot/grub/i386-pc/truecrypt.mod: OK
/boot/grub/i386-pc/legacy_password_test.mod: OK
/boot/grub/i386-pc/gettext.mod: OK
/boot/grub/i386-pc/echo.mod: OK
/boot/grub/i386-pc/hfsplus.mod: OK

/boot/grub/i386-pc/raid5rec.mod: OK
.....