Dan Uscatu wrote:
> $ping www.google.com
> 
> PING www.google.akadns.net (66.102.9.104) from x.x.x.x : 56(84) bytes of 
> data.
> 64 bytes from 66.102.9.104: icmp_seq=1 ttl=242 time=77.5 ms
> 64 bytes from 66.102.9.104: icmp_seq=2 ttl=242 time=69.3 ms
> 64 bytes from 66.102.9.104: icmp_seq=3 ttl=242 time=70.3 ms
> 
> $ping www.google.com | grep from
> 
> PING www.google.akadns.net (66.102.9.99) from 194.176.186.179 : 56(84) 
> bytes of data.

ai uitat sa schimbi in x.x.x.x :)

> 64 bytes from 66.102.9.99: icmp_seq=1 ttl=243 time=69.1 ms
> 64 bytes from 66.102.9.99: icmp_seq=2 ttl=243 time=72.9 ms
> 
> $ping www.google.com | grep from | grep from
> 
> liniste...

cred ca mai degraba e de la ping decat de la grep, uite
# cat /etc/passwd | grep :
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
news:x:9:13:news:/etc/news:
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
operator:x:11:0:operator:/root:/sbin/nologin
<snip>
# cat /etc/passwd | grep : | grep : | grep :
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
news:x:9:13:news:/etc/news:
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
<snip>




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