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Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/fortune/datfiles/freebsd-tips | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/usr.bin/fortune/datfiles/freebsd-tips b/usr.bin/fortune/datfiles/freebsd-tips index 31e6d31794e4..2a37f98a37e5 100644 --- a/usr.bin/fortune/datfiles/freebsd-tips +++ b/usr.bin/fortune/datfiles/freebsd-tips @@ -803,3 +803,37 @@ You can spot one like this: -- Alan Somers <asomers@FreeBSD.org> % +FreeBSDs ps can create a dependency tree based on parent/child relationships +between processes, like this: + +$ ps -d + + -- Daniel Ebdrup Jensen <debdrup@FreeBSD.org> +% +It is possible to get a meassure of the resident memory set: + +$ vmstat -o | awk 'NR>1 { t[$7] += $1 } \ +END { for (i in t) printf "%s %d\n",i,t[i] }' + +The rows have the following meaning: +df = default (not assigned a specific pager) +sw = swap +df = virtual +vn = vnode +ph = heap +md = memory device + +This will be reported in number of pages, so it needs to be multiplied by the +page size of the architecture which can be found via: + +$ sysctl -n hw.pagesize + + -- Daniel Ebdrup Jensen <debdrup@FreeBSD.org> +% +To establish a serial connection to anything including a USB device, +nothing more than cu(1) is needed: + +$ cu -s 9600 -l /dev/ttyU0 + + -- Daniel Ebdrup Jensen <debdrup@FreeBSD.org> +% |