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root@ubuntu_Nova:/opt/admin/scripts# dd if=clamav-0.94.2.tar.gz of=clamav-0.94.2.tar.gz.novabak1 bs=5000k count=1
1+0 records in
1+0 records out
5120000 bytes (5.1 MB) copied, 0.10358 s, 49.4 MB/s
root@ubuntu_Nova:/opt/admin/scripts# dd if=clamav-0.94.2.tar.gz of=clamav-0.94.2.tar.gz.novabak2 bs=5000k skip=1 count=3
3+0 records in
3+0 records out
15360000 bytes (15 MB) copied, 0.222188 s, 69.1 MB/s
root@ubuntu_Nova:/opt/admin/scripts# dd if=clamav-0.94.2.tar.gz of=clamav-0.94.2.tar.gz.novabak3 bs=5000k skip=4
0+1 records in
0+1 records out
1627637 bytes (1.6 MB) copied, 0.0163593 s, 99.5 MB/s
root@ubuntu_Nova:/opt/admin/scripts# ls -ltr
total 43264
-rwxr-xr-x 1 root root 182 Nov 25 11:49 pingg.sh
-rwxr-xr-x 1 root root 182 Nov 25 12:22 pingg.sh.bak
drwxr-xr-x 2 root root 4096 Nov 25 21:00 unixcod
-rwx—— 1 root root 94 Nov 30 14:06 scan.sh
-rw-r—– 1 root root 22107637 Dec 1 13:56 clamav-0.94.2.tar.gz
-rw——- 1 root root 0 Dec 1 16:04 nohup.out
-rw-r–r– 1 root root 5120000 Dec 1 20:59 clamav-0.94.2.tar.gz.novabak1
-rw-r–r– 1 root root 15360000 Dec 1 21:00 clamav-0.94.2.tar.gz.novabak2
-rw-r–r– 1 root root 1627637 Dec 1 21:00 clamav-0.94.2.tar.gz.novabak3
root@ubuntu_Nova:/opt/admin/scripts# dd if=clamav-0.94.2.tar.gz.novabak1 of=clamav-0.94.2.tar.gz
10000+0 records in
10000+0 records out
5120000 bytes (5.1 MB) copied, 0.122772 s, 41.7 MB/s
root@ubuntu_Nova:/opt/admin/scripts# dd if=clamav-0.94.2.tar.gz.novabak2 of=clamav-0.94.2.tar.gz bs=5000k seek=1
3+0 records in
3+0 records out
15360000 bytes (15 MB) copied, 0.146936 s, 105 MB/s
root@ubuntu_Nova:/opt/admin/scripts# dd if=clamav-0.94.2.tar.gz.novabak3 of=clamav-0.94.2.tar.gz bs=5000k seek=4
0+1 records in
0+1 records out
1627637 bytes (1.6 MB) copied, 0.0130253 s, 125 MB/s
root@ubuntu_Nova:/opt/admin/scripts# ls -ltr
total 64884
-rwxr-xr-x 1 root root 182 Nov 25 11:49 pingg.sh
-rwxr-xr-x 1 root root 182 Nov 25 12:22 pingg.sh.bak
drwxr-xr-x 2 root root 4096 Nov 25 21:00 unixcod
-rwx—— 1 root root 94 Nov 30 14:06 scan.sh
-rw-r—– 1 root root 22107637 Dec 1 13:56 clamav-0.94.2.tar.gz.old
-rw——- 1 root root 0 Dec 1 16:04 nohup.out
-rw-r–r– 1 root root 5120000 Dec 1 20:59 clamav-0.94.2.tar.gz.novabak1
-rw-r–r– 1 root root 15360000 Dec 1 21:00 clamav-0.94.2.tar.gz.novabak2
-rw-r–r– 1 root root 1627637 Dec 1 21:00 clamav-0.94.2.tar.gz.novabak3
-rw-r–r– 1 root root 22107637 Dec 1 21:10 clamav-0.94.2.tar.gz
root@ubuntu_Nova:/opt/admin/scripts#