diff --git a/Linux/Basic Administration/27-top-htop.md b/Linux/Basic Administration/27-top-htop.md new file mode 100644 index 0000000..4d9aa96 --- /dev/null +++ b/Linux/Basic Administration/27-top-htop.md @@ -0,0 +1,34 @@ +## 🕵️‍♂️ Monitoring Processes with `top` + +The `top` command provides a simple, real-time overview of all running processes and system stats. + +```bash +top +``` + +### Sample output header: + +```bash +top - 21:28:31 up 10:05, 5 users, load average: 0.19, 0.26, 0.23 + +Tasks: 382 total, 1 running, 381 sleeping, 0 stopped, 0 zombie + +%Cpu(s): 8.0 us, 1.8 sy, 0.0 ni, 90.2 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st + +MiB Mem : 19754.0 total, 14439.8 free, 3207.1 used, 2871.8 buff/cache + +MiB Swap: 8192.0 total, 8192.0 free, 0.0 used. 16547.0 avail Mem +``` + +### What each part means: + +| Item | Description | +| ----------------- | ------------------------------------------------------------------------------- | +| 🕒 `21:28:31` | Current system time | +| ⏳ `up 10:05` | System uptime — 10 hours and 5 minutes since last boot | +| 👥 `5 users` | Number of users currently logged in | +| 📈 `load average` | CPU load averages over 1, 5, and 15 minutes (fractions of total CPU cores used) | +| | — 0.19 = load in last 1 min | +| | — 0.26 = load in last 5 min | +| | — 0.23 = load in last 15 min | +