Unix / Linux mastering command line

1. Introduction

Small Quick Reference for Unix / Linux adminstrator.

2. Linux / Unix Commands

2.1. Memory

• free, vmstat, mpstat, iostat, sar

2.2. Cpu

• vmstat, mpstat, iostat, sar

2.3. I/O

• vmstat, mpstat, iostat, sar

2.4. Process

• ipcs, ipcrm

2.5. Multi-proposal

• nmon: 

2.6. Information

2.6.1. How to determine CentOS or RedHat version

• http://www.rackaid.com/resources/how-to-determine-centos-or-red-hat-version/

2.6.2. How to determine Ubuntu version

• http://www.ubuntuka.com/how-to-find-out-ubuntu-version/

2.6.3. System file information

• cat /proc/cpuinfo
• cat /proc/meminfo
• cat /proc/zoneinfo
• cat /proc/mounts

2.6.4. Command line differeces between some Unix/Linux distributions

• http://bhami.com/rosetta.html

3. Reference

• http://www.oracle.com/technetwork/articles/linux/part3-090589.html
• http://unixguide.net/cgi-bin/unixguide.cgi