How to Check Memory Usage of the Bash command line for Linux

How to Check Memory Usage of the Bash command line for Linux

1. top command
# top

output:


Check user:oracle Memory Usage
$ top -u oracle

2.pmap command

According to the process looking at the memoryusage
$ pmap -d 12345

3./proc/meminfo

The /proc/meminfo file stores statistics about memory usage on the Linux based system.
$ cat /proc/meminfo

$ less /proc/meminfo

$ more /proc/meminfo

$ egrep --color 'Mem|Cache|Swap' /proc/meminfo

4.ps command
$ ps -e -o 'pid,comm,args,pcpu,rsz,vsz,stime,user,uid'

$ ps -e -o 'pid,comm,args,pcpu,rsz,vsz,stime,user,uid' | grep oracle | sort -nrk5

How to Check Memory Usage of the Bash command line for Linux