3 Added information about "sar"
source | link

If you know the processes that you want to monitor then you can use "lsof" command to see the file a particular process or command is using. Please see below for an example :

$$ lsof -p "pid_of_process"

Even if you do not know about process then also you can use lsof periodically to collect system information about files used by a process.

If you are interested in complete system activity, then "sar" utility should be used

If you know the processes that you want to monitor then you can use "lsof" command to see the file a particular process or command is using. Please see below for an example :

$$ lsof -p "pid_of_process"

Even if you do not know about process then also you can use lsof periodically to collect system information about files used by a process.

If you know the processes that you want to monitor then you can use "lsof" command to see the file a particular process or command is using. Please see below for an example :

$$ lsof -p "pid_of_process"

Even if you do not know about process then also you can use lsof periodically to collect system information about files used by a process.

If you are interested in complete system activity, then "sar" utility should be used

2 Formatting fixed
source | link

If you know the processes that you want to monitor then you can use "lsof" command to see the file a particular process or command is using. Please see below for an example :

Format :: $$ lsof -p "pid_of_process"

Even if you do not know about process then also you can use lsof periodically to collect system information about files used by a process.

If you know the processes that you want to monitor then you can use "lsof" command to see the file a particular process or command is using.

Format :: $$ lsof -p

Even if you do not know about process then also you can use lsof periodically to collect system information about files used by a process.

If you know the processes that you want to monitor then you can use "lsof" command to see the file a particular process or command is using. Please see below for an example :

$$ lsof -p "pid_of_process"

Even if you do not know about process then also you can use lsof periodically to collect system information about files used by a process.

1
source | link

If you know the processes that you want to monitor then you can use "lsof" command to see the file a particular process or command is using.

Format :: $$ lsof -p

Even if you do not know about process then also you can use lsof periodically to collect system information about files used by a process.