[Feature] Add ps

[alberk8]

Add the Process Status (ps). Thank you.

[tats-u]

In Ubuntu:

$ cmd=ps; pkg=$(dpkg -S "$(realpath "$(command -v "$cmd")")" | cut -d: -f1 | head -n1); echo "package: $pkg"; dpkg -L "$
pkg" | grep -E '^/(usr/)?(s?bin|lib/.*/bin)/[^/]+$' | xargs -n1 basename | sort -u
package: procps
free
kill
pgrep
pidwait
pkill
pmap
ps
pwdx
skill
slabtop
snice
sysctl
tload
top
uptime
vmstat
w
watch