Operating Systems sandbox
Linux
What is Proc?
File system which shows
$ cd /prod
$ ls
1 acpi cmdline diskstats fb ioports keys loadavg modules partitions slabinfo sysrq-trigger uptime zoneinfo
29 bootconfig consoles dma filesystems irq kmsg locks mounts pressure softirqs sysvipc version
30 buddyinfo cpuinfo driver fs kallsyms kpagecgroup mdstat mtrr schedstat stat thread-self version_signature
31 bus crypto dynamic_debug interrupts kcore kpagecount meminfo net scsi swaps timer_list vmallocinfo
47 cgroups devices execdomains iomem key-users kpageflags misc pagetypeinfo self sys tty vmstat
$
$ cat 30/cmdline # 30 is a pid of a process
nginx: worker process
$