Solaris Commands

who (who is on the system)
who -b (when was last reboot)
who -r (current run level)
w (who is doing what)

df -h (disk usage info in human readable form)

Unix commands

§cut
Cut out columns from a table or fields from each line of a file
•cut -c5
cut out at character 5
•cut -c1,5,10
cut out at chars 1, 5, 10
•cut -c1-10
inclusive from 1 to 10
•cut -c5-
to eol
•cut -d: -f1 /etc/password
use : as delimiter
cut at field 1
•cut -f1
default to -dTab
•sed -n l file
print tab as >

§paste
Concatenate lines of input files.
•paste files
Concatenate lines of input files.
•paste -d’+’ files
Use + instead of TAB to replace NEWLINE charactem
•paste -s file
Concatenate all lines of each file except the last line

§sed
•sed ‘s/unix/UNIX/’ file
replace 1st occurance
•sed ‘s/unix/UNIX/g’ file
replace all occurance
•who | sed ‘s/ .*$//’
del
•sed -n ‘1,2p’ file
print 1st 2 lines
•sed -n ‘/UNIX/p’ file
print all lines w/ UNIX
•sed ‘1,2d’ file
delete 2 lines
•sed ‘/UNIX/d’ file
delete UNIX
•sed -n ‘l’ file
tab as >
•Replace all occurrance of c:/Perl to /usr/perl in all perl scripts in current directory

for i in 'ls *.pl'
do
 fileName='echo $i | awk -F"." { print $1 }'
 sed 's/c:\/Perl/\/usr\/perl/' $i > $fileName.new
 cp $fileName.new $fileName.pl
done

§tr works on single char
•tr : ‘ ‘
colon to tab
•tr ‘[a-z]’ ‘[A-Z]’ to upper case
•tr -s ‘ ‘ ‘ ‘ squeeze out mult
•tr -d ‘ ‘ < file del all spaces •tr '\012' ' ' change new line char to space. Same as awk '{printf "%s ",$0}' §grep •grep pattern files •grep -i ignore case •grep -v inverse •grep -l list file names only •qrep -n show line number §sort •sort file •sort -u remove dup lines •sort -r reverse sort •sort file -o sorted_file •sort -n file sort as number •sort +2n file skip 2 fields,sort num •sort +2n -t: delimit by : §uniq only works on consecutive duplicate lines •uniq file •sort file | uniq sort,uniq •sort /etc/password | uniq -d list duplicate lines •sort /etc/password | cut -f1 -d: | uniq -d find dup user id •uniq -c count dups §shift •left shift positional parameters by 1 •shift 3 left shift by 3 restart inetd: ps -ef | qrep inetd --> qet psid
kill -HUP

start inetd
/etc/init.d/inetsvc start

Patch manaqement
patchadd
patchrm
showrev -p
pkgparam

Solaris: pkgadd -d
pkgrm SMCgcc
pkginfo

linux:
rpm -iv somefile.rpm
rpm -qa | grep binutils
rpm -Uvh –force –nodeps binutils-2.11.90.0.8-13.i386.rpm

Enable root ssh
* Edit /etc/ssh/sshd_config and set
PermitRootLogin yes
*Restart network services

svcadm restart svc:/network/ssh:default

References
http://www.sun.com/bigadmin/shellme/
unixtoolbox
linux-unix-commands-cheat-sheets