1z0-821 Exam Dumps : Oracle Solaris 11 System Administration

The Internet Protocol (IP) is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, and essentially establishes the Internet.

From the content of the /etc/shadow file we get:

* username: jack

* encrypted password: $5$9JFrt54$7JdwmO.F11Zt/ jFeeOhDmnw93LG7Gwd3Nd/cwCcNWFFg

* Last password change (lastchanged): Days since Jan 1, 1970 that password was last changed: 0

* Minimum: The minimum number of days required between password changes i.e. the number of days left before the user is allowed to change his/her password: 15

Maximum: The maximum number of days the password is valid (after that user is forced to change his/her password): 30 Warn : The number of days before password is to expire that user is warned that his/her password must be changed: 3

* Inactive : The number of days after password expires that account is disabled

* Expire : days since Jan 1, 1970 that account is disabled i.e. an absolute date specifying when the login may no longer be used

zfs snapshot [-r] [-o property=value] ... filesystem@snapname|volume@snapname

Creates a snapshot with the given name. All previous modifications by successful system calls to the file system are part of the snapshot. See the “Snapshots” section for details.

-r

Recursively create snapshots of all descendent datasets. Snapshots are taken atomically, so that all recursive snapshots correspond to the same moment in time.