SCO commands

SCO CRIB SHEET....
hwconfig -h Displays the hardware configuration
swconfig - Displays the system contents database
 
hw (5.0.4 and above) Display detailed hardware config.
 
fixmog -i Checks all system files against file control database
 
isverify -I Rebuild ISAM database after system restore, need when
the following message is displayed :-
"Error: Incorrect SCO Runtime System installed@
 
/etc/conf/cf.d/configure Tune kernel parameters
/etc/conf/cf.d/link_unix Relinks the kernel
 
asktime Used to set the time and date.
 
/usr/adm/ISL/iqm_file Contains serial number and activation key.
 
od (filename) Octal dump of a file
hd (filename) Hexadecimal dump of a file
 
custom Menu for installing software
scoadmin Administration menu (OSR5)
sysadmsh Administration menu (3.2.4.2)
 
scologin disable Disables graphical SCO login at startup (X)
scologin enables Enables graphical SCO login at startup (X)
 
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TERMINALS
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ttylock (tty) Locks a named terminal
ttyunlock (tty) Unlocks a locked terminal
 
enable (tty) Turns on terminals
disable (tty) Turns off terminals
 
To setup a serial console, add SYSTTY=x into /etc/default/boot.
(Where x is 0 is display adapter and 1 is comm 1 etc)
 
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NETWORK
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hostname Displays hostname
hostname (hostname) Sets the hostname until next reboot
 
tcp start Starts TCP services
tcp stop Stops TCP services
 
nfs start Starts NFS services
nfs stop Stops NFS services
 
netconfig Menu for setting up network adapters
 
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BACKUPS
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CPIO ARCHIVE
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find (filesystem) -print | cpio -ocv > (filename or device)
 
eg find ./usr/ -print | cpio -ocv > /dev/rStp0
 
CPIO RESTORE
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cpio -ict < (filename or device) | more Lists archive
cpio -icdv < (filename or device)
cpio -icdv < (filename or device) ("files or directories to restore")
 
eg cpio -icdv < /dev/rStp0 "tcpip/*" Restore directory and contents
cpio -icdv < /dev/rStp0 "*resolve.conf" Restore a named file
 
TAR ARCHIVE
-----------
 
tar -cvf (filename or device) ("files or directories to archive")
 
eg tar -cvf /dev/rStp0 "/usr/*"
 
TAR RESTORE
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tar -tvf (filename or device) Lists archive
 
tar -xvf (filename or device) Restore all
tar -xvf (filename or device) ("files or directories to restore")
use -p option for restoring with orginal permissions
use -A option for suppressing absolute file pathes #djn 5_01
 
eg tar -xvf /dev/rStp0 "tcpip" Restore directory and contents
tar -xvf /dev/rStp0 "tcpip/resolve.conf" Restore a named file
 
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TAPE DRIVES
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/dev/xct0 Cartridge tape controller
/dev/erct0 Error correcting cartridge tape
/dev/nrct0 No rewind cartridge tape
/dev/rct0 Cartridge tape
/dev/rStp0 SCSI tape
/dev/rctmini Mini catridge tape
/dev/rft0 QIC40 floppy tape
 
Cartridge rct0 nrct0 xct0
SCSI cartridge or DAT rStp0 nrStp0 xStp0
Mini cartridge rctmini nrctmini xctmini
 
/dev/r Rewinds on closing
/dev/nr No rewind on closing
/dev/x Control file used by the tape command, cannot be used for data
 
tape reten (device) Retension the tape
tape rewind (device) Rewind the tape
tape erase (device) Erase the tape
tape status (device) Is there a tape in the drive ?
tape unload (device) Eject a tape
tape getblk (device) Reads and reports the block size of the tape
 
tape -a (new block size) setblk (device) Sets the block size
 
If no device used the will use default in tape /etc/defaults/tape
 
dtype (device) Reports what type of data is on the devices (cpio, tar etc)
 
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PRINT QUEUES
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lpstat -t
lpstat -a Will display "text message"
 
reject (pqueue) Stops requests being placed in the queue
accept (pqueue) Enables requests to be placed in the queue
 
reject -r "text message" (pqueue)
 
disable (pqueue) Halts the queue, request will still be accepted
enable (pqueue) Enables the queue afte being halted
 
disable -r "text message" (pqueue)
 
/usr/lib/lpshut Stop the print sheduler
/usr/lib/lpsched Start the print sceduler
 
cancel (job id) Cancel a job that is queuing
 
lp -i (job id) -H hold Hold a job
lp -i (job id) -H resume Cancel the hold on a job
lp -i (job id) -H immediate Promote a job within a queue
lp -i (job id) -d(pqueue) Move a job between queues
 
$LPDEST Default queue variable
 
/etc/printcap Config file for print queues
/usr/spool/lp Contains local printers
/usr/spool/lpd Contains remote printers
 
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HARD DRIVES
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dkinit Displays non scsi disk details
 
scsibadblk Scans for bad tracks on disk
badtrk As as scsibadblk
 
fdisk Divides a hard disk into partitions
fdisk -p Displays partion information
fdisk -p -f (device) Displays partion information for named device
fdisk -p -f /dev/rhd00
 
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FILE SYSTEMS
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HTFS High Throughput filesystem
2 gig max file size
1 tera max file system size
1k block size
Not bootable
 
DTFS Desktop filesystem
2 gig max file size
1 tera max file system size
512 byte to 4k block size
Not bootable
 
EAFS Extended Acerfile file system
2 gig max file size
2 gig max file system size
1k block size
Bootable and default
 
AFS, S51K, XENIX (filename) Output crontab entrys to a file
crontab (filename) Enter a crontab from a file
crontab -r Removes all crontab entrys
crontab -v Displays crontab submission time.
 
/usr/lib/cron/cron.allow File containing users allowed crontab use.
/usr/lib/cron/cron.deny File containing users denied crontab use.
/usr/spool/cron/crontabs Directory containing users crontabs
 
at (now + 2 minutes, 13:05, etc) {return} Schedule a job using at
Command or schell script {return}
{CTRL D}
 
at -l
 
at -r (at job No)
 
/usr/lib/cron/at.allow File containing users allowed at use.
/usr/lib/cron/at.deny File containing users denied at use.
/usr/spool/cron/atjobs Directory contains users at jobs
 
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SECURITY
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chmod abcd (filename) Changes files/directory permissions
 
Where a is (4 SUID) + (2 SGID) + (1 SVTX)
b is (4 read) + (2 write) + (1 execute) permissions for owner
c is (4 read) + (2 write) + (1 execute) permissions for group
d is (4 read) + (2 write) + (1 execute) permissions for others
 
-rwxrwxrwx -rwxrwxrwx -rwxrwxrwx
||| ||| |||
- - -
| | |
Owner Group Others
 
-rwSrwxrwx = SUID -rwxrwSrwx = SGID drwxrwxrwt = SVTX
 
chown (new owner) (filename) Changes file/directory owners
chgrp (new group) (filename) Changes file/directory groups
 
umask Displays umask settings
umask abc Changes users umask settings
 
where ( 7 - a = new file read permissions)
( 7 - b = new file write permissions)
( 7 - c = new file execute permissions)
 
eg umask 022 = new file permissions of 755 = read write and execute for owner
read ----- and execute for group
read ----- and execute for other
 
passwd Change current user password
passwd -l (user) Lock a users account
passwd -u (user) Unlock a users account
 
goodpw Test to see if a passwd is acceptable.
 
pwck Checks /etc/passwd file for inconsistencies
grpck Checks /etc/group file for inconsistencies
 
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USERS
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env Displays values of environment variables
 
id Displays current user's uid and gid details
id (user) Displays user uid and gid details
 
who Displays details of all users currently logged in.
w
 
quot (filesystem) Displays disk useage by user
 
useradd
 
userdel (Note does not remove home dir)
rmuser
 
userls -l (username)
 
usermod
 
groupls Lists what groups you are in.
groupls (username)
groupls -a Lists all groups
 
groupmod
 
groupadd
 
groupdel
rmgroup
 
passwd (username)
rmpasswd
 
unretire (username) To reactivate a retired user
 
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INIT RUN LEVELS
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init (run level) Switches run levels
 
0 Shutdown
1 Single user
2,3,4 Multiuser
6 Reboot
 
haltsys
reboot
 
shutdown -g(number) grace period before starting shutdown
-y answer y to all further questions
-i(number) shutdown to run level
 
shutdown -y -g0 -i1 To shutdown to single user mode
shutdown -y -g0 -i6 To shutdown and reboot system.
 
who -b Displays when the machine was last booted
who -r Displays what the current run level is
 
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SERIAL PORTS
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com1 = /dev/tty1a (terminal/getty) or /dev/tty1A (dial out modem)
com2 = /dev/tty2a (terminal/getty) or /dev/tty2A (dial out modem)
 
enable /dev/tty1a Enables the getty on /dev/tty1a
disable /dev/tty1a Disables the getty on /dev/tty1a
(above edits both /etc/inittab and /etc/conf/init.d/sio files)
 
/etc/inittab
/etc/gettydefs
 
/etc/conf/init.d/sio Contains the defaults for the serial part of inittab.
Will recreate inittab from this when the environment
is rebuilt using link_unix.
 
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ERROR LOGGING
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/usr/adm/messages
 
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PERFORMANCE
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sar (delay) (repeats)
 
options :-
 
-r Displays amount of free memory and free swap
-d Displays disk and tape activity
-b Displays buffer activity
-u Displays cpu useage
 
swap -l Displays swap details and useage
 
/etc/conf/cf.d/configure -x Displays kernel parameters
sysdef
 
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FLOPPY DRIVES
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48ds9 360Kb 5.25 inch
96ds15 1.2Mb 5.25 inch
135ds9 720Kb 3.5 inch
135ds18 1.44Mb 3.5 inch
135ds36 2.88Mb 3.5 inch
| | |
| | +------ sectors per track
| +-------- ds = double sided
+---------- tracks per inch
 
/dev/rfd0135ds18 = floppy disk 0 3.5" 1.44Mb
 
format Formats disk for use.
 
mkdev fs Screen for creating root/boot disks or floppy filesystems
 
diskcp Disk to disk copy
diskcp -f Disk to disk copy with format first.
 
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DOS DISKETTES
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doscp
dosrm
 
dosdir List dos directories in dos dir style
dosdir /dev/fd0 or dosdir a:
 
dosls List dos directories in unix ls style
 
dosformat Format a dos floppy
 
dosmkdir Create a dos directory
dosrmdir Remove a dos directory
 
doscat
 
dtox (in file) > (out file) Dos to unix ascii file conversion
xtod (in file) > (out file) Unix to dos ascii file conversion