unix tip: sort processes by cpu/memory usage

you can use the following commands to sort processes by cpu/memory usage.

linux
cpu:

# top -bn1P

memory:

# top -bn1M

or just type top without any options, you'll get an interactive interface.

solaris
cpu:

# prstat -s cpu

memory:

# prstat -s size

Read more...

aix
cpu:

# ps -ef | egrep -v "STIME|$LOGNAME" | sort +3 -r | head -n 15

memory:

# svmon -P

summary of the top 15 processes using memory on the system, use the following command:

# svmon -Pt15 | perl -e 'while(<>){print if($.==2||$&&&!$s++);$.=0 if(/^-+$/)}'

or you can just use an topas.