top -u <username>
while running -
type c in running top command to see command full path
d - delay (refreshed every 5 secs)
h - help
k -kill the process while command running
z - color out all fields
press 1 - to split up usage as per CPUs
r - to renice - change the priority of the process
shift i -> how many CPUs are detected (command lscpu is used for same)
top -o <Column name (%CPU)> -- sort with column
command -
to check OS release and version
release - cat /etc/os-release
root@hxdp-ts:~# cat /proc/meminfo
MemTotal: 8168480 kB
MemFree: 2149488 kB
MemAvailable: 5621328 kB
Buffers: 621196 kB
Cached: 3707840 kB
SwapCached: 1780 kB
.....
.....
