UnixReview.com: Top 50 Things to Know to Pass the Sair Exam 102
Apr 08, 2001, 17:00 (7 Talkback[s])
(Other stories by Emmett Dulaney)
Re-Imagining Linux Platforms to Meet the Needs of Cloud Service Providers
"Last month, I took a detailed look at the 101 (Installation
and Configuration) exam from Sair. This month, I turn to Exam 102
(System Administration) and give it the same scrutiny. It is one of
the four Sair exams you must pass to become a Linux Certified
Administrator (LCA). Passing Exam 102 will earn you the designation
of Linux Certified Professional (LCP)."
"1. ext2 is the native filesystem for Linux. It was created by
Rémy Card and consists of the superblock, inodes (also known
as index nodes), disk blocks allocated, and disk blocks unallocated
(free). e2fsck can be used to check for consistency within the
filesystem through a series of five operations, or passes."
"2. cron jobs are scheduled via entries in the crontab file.
Every entry consists of six fields:
1. -- The minute the job is to run.
2. -- The hour the job is to run.
3. -- The day of the month the job is to run.
4. -- The month the job is to run.
5. -- The day of the week the job is to run.
6. -- The location of the job itself."