MS Windows
Net Commands	CMD options file/ directory name completion…	START options.	msiexec Microsoft Installer	(UN)Popular System errors that occurr

unix commands, by system, function

networking							File/directory manipulate
Configure ifconfig ethtool host nfs route routelinux, routed	Diagnose arp netstat dig nslookup ping traceroute whois	protocols dhcpcd DHCPoptions dhclient finger ftp, ftpd lftp tftp rsync sysrescuCD rsync rcp			whois login rlogin telnet ssh ntpd lynx lynx.cfg httpd i.e.apache	logger rsyslogd syslog syslog-ng (new generatin) syslog‑ng.conf syslog.2 syslog.3 syslogd   Mac mail mailstats mailx	find locate rm roffbib touch cp mv ln dos2unix unix2dos	chmod chown grep tr sed sort compress gzip pigz diff hash	ls file head tail wc cut paste spline split strip hexdump strings	mkdir dircmp du

acctcom adb addbib adduser alias apt-get apropos ar arp as at atq atrm audioconvert audioplay audiorecord automount awk banner basename bash bc bdiff break

cal case cat cd checknr chgrp chmod chown chown ci cmp cof2elf column comm compress cp cpio cpp crontab crypt csh csplit ctags cut cURL

date dc dd deroff diff dhcpcd DHCPoptions diff3 diffmk dig dircmp dis disk   Arbitration dispgid dispuid dos2unix download dpost du dump dumpfs dumpcs echo ed edit egrep eject enable env eqn error ex ethtool exec exim exit expand expr exstr

face factor fdformat fdisk fgrep file find finger fmli fmt fmtmsg fold for ftp ftpd fsck.8 fs_usage fstab function gcc gcore gencat getopt getoptcvt getopts gettext gettxt glob gprof graph grep groups gzip

hash head hexdump history host hostname iconv ifconfig inputrc indxbib iosnoop iostat ipcrm ipcs jobs join java javascript kbd kdestroy kerberos keylogin kdcmond klogd keylogout kill kinit klist ksh ksrvtgt

last lastcomm ld ldd let lex limit ulimit line lftp listusers lilo ln loadfont loadkeys locate locale logger login logname logout look lookbib lorder lp lpstat ls lynx lynx.cfg less m4 machid make mail mailstats mailx man mconnect mcs mdAttributes mesg mkdir mktemp mkfsi mke2fs, dosfs, vfat… mkisofs mkmsgs more mount mpstat msgfmt mt mv

newaliases newform newgrp news nice netstat nfs nicl nl nm nohup nmap.1 nmap.8 nohup nroff nslookup ntpd

od openssl pack paint passwd paste pcmapkeys pg ping pkginfo pkgmk pkgparam pkgproto pkgtrans postdaisy postdmd postio postmd postplot postprint postreverse posttek pr print printf priocntl prof ps pwd

rcp rdist readline read readonly refer regcmp repeat rlogin rm roffbib route routelinux routed rpcgen rsh rsync rup ruptime rusers rwho runparts sag samba sar

script sdiff screen sed set sfdisk sh shift size shutdown sleep soelim sort sortbib spell spline split srchtxt ssh strchg strings start strftime stat strip stty BSD stty linux su sudo sudoers svn sum suspend swapon symorder sysV-make rsyslogd syslog syslog-ng (new generatin) syslog‑ng.conf syslog.2 syslog.3 syslogd   Mac

tabs tail talk tar tbl tcopy tee telnet tftp time tip touch tput tr traceroute trap troff true truss tsort tty typeset

ul umask umount uname unifdef uniq units unix2dos uptime vacation vc vgrind vi vi hints vim vidsuodo volcancel volcheck volmissing w wait wc wget what whatis which while who whois write wodim xargs xgettext xstr xterm yacc ypcat ypmatch yppasswd ypwhich

Mac OS X
diskUtil.html Boot Verbose bootCache configd defaults dsCacheUtil dslocal.db not netinfo dscl ioreg launchctl	Mac Mail MacMail mdfind mtree mds, mdutil newsyslog opensnoop opendirectoryd PL Util postfix mail postflight	spctl scutil spinDump sysctl Time Machine Utility tmutil tnftpd pcc+x86 xattr search searchlight items Running NetBeans on the mac Mac OSX errors HFS Plus Volume Format

N I S
nis+ nis …cat …chgrp …chmod …chown …chttl …defaults …error …grpadm	…ln …ls …match …mkdir …passwd …rm …rmdir …tbladm …test

S C C S
sccs …admin …cdc …comb …delta …get …help …prs	…prt …rmdel …sact …sccsdiff …unget …val

solaris:
chkey ckdate ckgid ckint ckitem	ckkeywd ckpath ckrange ckstr cktime ckuid ckyorn clear afs FAQ