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Linux in General => Linux Development & Programming => Topic started by: rammu_sivraj on June 29, 2006, 10:40:04 AM

Title: Hi plz.. help me in finding the command
Post by: rammu_sivraj on June 29, 2006, 10:40:04 AM

Hi..
     Actually.. i'm trying to write a script which shud display the number of semaphores and no of shared memeory of the my linux system..
  what commands 'll do this.. plz do help me
   Rammu

Title: Hi plz.. help me in finding the command
Post by: dragoncity99 on July 04, 2006, 06:14:54 AM

For semaphores, read the the following link....hope it helps u:
http://www.postgresql.org/docs/7.4/static/kernel-resources.html

For memory:
u can use the command:

Code: [Select]


root# free


Ok, some tips writing the script....
1. Use awk for handling field separators
2. Write a good commented script
3. Write a good logger to re-use all the time
4. Learn to use the debugger mode for shell scripts, when u face notorius and hard to find errors ***WARNING ---> This is very resource expensive***


For tip#4 go here --->
http://www.tldp.org/LDP/Bash-Beginners-Guide/html/sect_02_03.html