置顶，每日一看：
adb:
Analyze dumps and a running system
AnswerBook:
Display online reference manuals in areas of hardware, user, system administration,and other
arch:
Display architecture and kernel architecture information
arp:
Display the address resolution protocol table
aset:
Use the automated security enhancement tool
catman -w:
Create the /usr/share/man/windex database for use with index function available through the apropos command
crash:
Analyze crash dumps
devlinks:
Create symbolic links in /dev using information in /devices
df -k:
Display disk space usage in Kbytes, including free space
dfmounts:
Display remote file system mount information
dfshares:
Display shared file system information
diff:
Compare file contents
dmesg:
Analyze recent log messages
disks:
Create symbosic links in /dev/dsk and /dev/rdsk
drvconfig:
Configure the devices directory and the device information tree
eeprom:
Analyze and change programmable read-only memory(PROM) settings
file:
Determine a file's type
find:
Search for specific files in the file system structure
format:
Analyze or modify disk partition information
fsck:
Check UFS file systems for inconsistencies
fsdb:
Use file system debugger(see fsdb_ufs in man pages)
fstyp:
Display extensive file system parameters for a specified file system
grep:
Analyze file contents, and search for specific patterns
groups:
Display group definitions for a given user
grpck:
Check the /etc/group file for syntax errors or inconsistencies
ifconfig:
Analyze the status of network interfaces
infocmp:
Compare tic formatted files
iostat:
Analyze I/O performance issues
kadb:
Trap kernel and low-level faults
last:
Display history of system login information
ls:
Analyze file properties
ndd:
Get and set named device driver parameters
netstat (-i, -r):
Analyze network tuning information, including active routes
newfs:
Create and examine file system parameters
nfsstat:
Analyze NFS performance information
nm:
Displya symbol table information for (unstripped) executables (in /usr/ccs/bin)
pagesize:
Print the size of a memory page in bytes
perfmeter:
Provide a graphic display of performance metrics
ping:
Contact network hosts by sending Internet Control Messages Protocol(ICMP) request and reply datagrams
pkgchk:
Check file integrity and accuracy of installation
prtdiag(on sun4u and sun4d):
Display system configuration and diagnostic information(kept in /usr/platform/'uname -m'/sbin)
prtconf -v:
Get system device information from POST probe
prtconf -vp:
Display PROM version(OBP)
ps:
List properties of running processes(/bin/ps, /usr/ucb/ps)
pwck:
Check the /etc/passwd file for errors and inconsistencies
route:
Add, remove, and display kernel route table information
rpcinfo:
Display information about Remote Procedure Call(RPC) services
A running system:
Compare symptoms and results between functioning and faulting systems
sar:
Analyze system performance information(must be initialized in /etc/init.d/perf)
shells:
use -x and -v options to provide debugging information
showrev -p:
List currently installed patches; patchadd -p in Solaris 2.6 and above
snoop:
Display and analyze network traffic
strings:
Search object and binary files for ASCII strings
SunSolve database:
List bug, patch,release, and general technical information for hardware and software
sysdef:
Analyze device and software configuration information
swap:
Add, delete, and monitor system swap areas
sum:
Calculate and print a checksum value for a named file
SYMON:
Use system monitor utility package with interfaces to the diagnostics package, SUNvts
sys_unconfig:
Enable you to change information entered during sysidtool phase of installation
tail -f:
Leave file open for reading and display what is there
tapes:
Create logical links to device special files in /devices for tape
tic:
Terminfo compiler; translate a terminfo file from the source format into the compied format
timex:
List runtime and system activity information during command execution
traceroute:
Show the routes followed by packets transferred in a subnetted environment
truss:
Trace system calls issued and used by a program or command
tunefs:
Modify file system parameters that affect layout policies
/usr/proc/bin/*
Use utilities that exercise the functions of the /proc file system
uname:
Print platform, architecture, operating system,and system node information
vmstat:
Analyze memory performance statistics
who am i:
Display the effective current user name, terminal line and login time
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