Page MenuHomeFreeBSD
Files F152672000

D18993.id53277.diff
No OneTemporary
Actions

D18993.id53277.diff
View Options

Index: head/usr.bin/fortune/datfiles/freebsd-tips
===================================================================
--- head/usr.bin/fortune/datfiles/freebsd-tips
+++ head/usr.bin/fortune/datfiles/freebsd-tips
@@ -275,7 +275,7 @@
df -h
-- Dru <genesis@istar.ca>
%
-To see the 10 largest files on a directory or UFS partition, use
+To see the 10 largest files in a directory or on a UFS partition, use
du -h /partition_or_directory_name | sort -rh | head
-- Dru <genesis@istar.ca>
@@ -560,11 +560,14 @@
$(kenv smbios.system.maker) $(kenv smbios.system.product)" -d "do=addd" \
--data-urlencode 'dmesg@/var/run/dmesg.boot' http://dmesgd.nycbug.org/index.cgi
%
-Want to know how much memory (in bytes) your machine has available? Let
+Want to know how much memory (in bytes) your machine has installed? Let
sysctl(8) tell you with the following command:
-sysctl hw.physmem
+sysctl hw.realmem
+Note that the kernel and loaded modules reduce that size, so there is less
+memory available to the system than what is displayed here.
+
The number of active CPUs is displayed using this command:
sysctl hw.ncpu
@@ -571,8 +574,10 @@
-- Benedict Reuschling <bcr@FreeBSD.org>
%
-When using ZFS as the file system the "df" command will display confusing
-values. Use the built-in "zfs list" command to get an overview of space usage:
+When using ZFS as the file system the "df" command is reporting the pool size
+and not file system sizes. It also does not know about descendent ZFS
+datasets, snapshots, quotas, and reservations with their individual space usage.
+Use the built-in "zfs list" command to get a better overview of space usage:
zfs list -o space
@@ -579,12 +584,14 @@
-- Benedict Reuschling <bcr@FreeBSD.org>
%
To learn more about what your system is doing, take a look at systat(1). For
-example, to get an overview of I/O happening in the system, run:
+example, to get various of statistics related to virtual memory usage, process
+scheduling, device interrupts, system name translation caching, and disk I/O,
+enter the following:
-systat -iostat
+systat -vmstat
-Other values are icmp, icmp6, ifstat, ip, ip6, netstat, pigs, sctp, swap, tcp,
-vmstat, or zarc. You can switch between displays using :<display> and exit
+Other values are icmp, icmp6, ifstat, iostat, ip, ip6, netstat, pigs, sctp,
+swap, tcp, or zarc. You can switch between displays using :<display> and exit
back to your shell by typing
:quit
@@ -694,7 +701,7 @@
action when -n is combined with the -v option without actually performing
it:
-zfs destroy -rvn mypool@mysnap
+zfs destroy -nrv mypool@mysnap
Once you are sure this is exactly what you intend to do, remove the -n
parameter to execute the destroy operation.

File Metadata

Mime Type
text/plain
Expires
Fri, Apr 17, 10:40 AM (17 h, 45 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
31655082
Default Alt Text
D18993.id53277.diff (2 KB)

Event Timeline