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2 0.00re 0.00cp 14avio 5440k troff6 0.04re 0.00cp 0avio 41300k ***other2 0.00re 0.00cp 0avio 12400k col2 0.04re 0.00cp 0avio 0k ron*15 0.00re 0.00cp 0avio 0k cut3 0.00re 0.00cp 0avio 14000k fmt2 0.00re 0.00cp 2avio 6100k groff2 0.00re 0.00cp 0avio 0k grotty3 0.01re 0.00cp 0avio 27200k head5 0.00re 0.00cp 0avio 15600k lastcomm2 3.29re 0.00cp 9avio 21000k man2 3.29re 0.00cp 0avio 0k more2 0.00re 0.00cp 0avio 0k sa8 3.34re 0.00cp 0avio 30800k sh62 0.03re 0.00cp 0avio 0k sh*3 6.00re 0.00cp 0avio 0k sleep2 0.00re 0.00cp 0avio 0k tbl4 0.00re 0.00cp 0avio 25000k zcatYou can modify the sa(8) output using different command line arguments,like -c to sort by the number of times each process was called, or -b to sort bythe sum of CPU time taken for each process.Chapter 4SummaryWith more information about your current system resource usage, you can improvethe system's performance and identify the bottlenecks in your server. ExperiencedUNIX administrators use such tools to constantly monitor server behavior andoptimize its performance.In this chapter, you were introduced to the basic toolbox for monitoring the system'sperformance and security. By combining these tools, you will have a better controlover your processes and users.To get the most out of these basic but powerful system utilities, it is recommendedthat you have a look over the manual pages for the commands discussed inthis chapter.[ 73 ]