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Copying diskettes and tape
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COPYING DISKETTES
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dd if=/dev/fd0 of=(filename) bs=36b
dd if=(filename) of=/dev/fd0 bs=36b conv=sync or flcopy
COPYING TAPES
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dd if=/dev/rmt0 of=(filename)
dd if=(filename) of=/dev/rmt0 or tcopy
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VI Commands
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:g/xxx/s//yyy/ global change where xxx is to be changed by yyy
sed 's(ctrl v ctrl m)g//g' old.filename > new.filename
Strips out ^M characters from ascii files that have been transferred as binary.
To enter crontrol characters type ctrl v then ctrl ? where ? is whatever
ctrl character you need.
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DEVICES
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lscfg lists all installed devices
lscfg -v lists all installed devices in detail
lscfg -vl (device name) lists device details
bootinfo -b reports last device the system booted from
bootinfo -k reports keyswitch position
1=secure, 2=service, 3=normal
bootinfo -r reports amount of memory (/ by 1024)
bootinfo -s (disk device) reports size of disk drive
bootinfo -T reports type of machine
ie rspc,rs6ksmp,rspc or chrp
lsattr -El sys0 -a realmem reports amount of useable memory
mknod (device) c (major no) (minor no) Creates a /dev/ device file.
mknod /dev/null1 c 2 3
lsdev -C lists all customised devices ie installed
lsdev -P lists all pre-defined devices ie supported
lsdev -(C or P) -c (class) -t (type) -s (subtype)
chdev -l (device) -a (attribute)=(new value) Change a device attribute
chdev -l sys0 -a maxuproc=80
lsattr -EH -l (device) -D Lists the defaults in the pre-defined db
lsattr -EH -l sys0 -a modelname
rmdev -l (device) Change device state from available to defined
rmdev -l (device) -d Delete the device
rmdev -l (device) -SR S stops device, R unconfigures child devices
lsresource -l (device) Displays bus resource attributes of a device.
cfgmgr Configures devices
cfgmgr -i /dev/cd0 Configure devices and install drivers from /dev/cd0
if required
cfgmgr -S Run in serial, used with a larger number of disks
cfgmgr -l scsi0 Configure devices on adapter scsi0 only
diag Run hardware diagnostic menu
smitty diag Run hardware diagnostic menu
( 7020-40P and 7248-43P machines cannot run diagnostics, use diagnostics
in the SMS menus instead
diag -d (device) Run diagnostics against a device.
lsslot Displays all hot swap slots
lsslot -c pci Lists all pci hot swap slots
lsslot -c pci -a Lists all available pci hot swap slots
drslot Reconfgiures PCI hot-plug slots
drslot -i -c pci -s U0.1-P1-I3 Display a slot, flashes the LED next to
the slot so that it can be identified.
Power Management (PCI machines)
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pmctrl -a Displays the Power Management state
rmdev -l pmc0 Unconfigure Power Management
mkdev -l pmc0 Configure Power Management
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