Linux command single or combined sample

[email protected] ~]# which passwd
/usr/bin/passwd
[Email protected] ~]# Whereis passwd
passwd:/usr/bin/passwd/etc/passwd/usr/share/man/man1/passwd.1.gz/usr/share/man/man5/passwd.5.gz
[Email protected] ~]# locate passwd
/etc/passwd
/etc/passwd-
/etc/pam.d/passwd
/etc/security/opasswd
/lib64/security/pam_passwdqc.so
/lib64/security/pam_unix_passwd.so
[Email protected] ~]# Find/-name passwd
/selinux/class/passwd
/selinux/class/passwd/perms/passwd
/usr/bin/passwd
/etc/pam.d/passwd
/etc/passwd

[Email protected] ~]# mkdir Wode
[Email protected] ~]# Locate Wode
[Email protected] ~]# UpdateDB
[Email protected] ~]# Locate Wode
/root/wode

[[Email protected] ~]# type type
Type is a shell builtin
[[Email protected] ~]# type cd
CD is a shell builtin
[[Email protected] ~]# type if
If is a shell keyword
[[Email protected] ~]# type SSH
SSH is/usr/bin/ssh
[[email protected] ~]# type-p SSH
/usr/bin/ssh
[[Email protected] ~]# type ls
LS is aliased to ' LS--color=auto '
[[Email protected] ~]# type CP
CP is aliased to ' cp-i '

[Email protected] ~]# ifconfig eth0 192.168.2.128/24

[[email protected] wode]# ls-altr
[[email protected] wode]# ls-alt
Total usage: drwxr-xr-x. 2 root root   4096 February   27 12:53.
Dr-xr-x---. 7 root root   4096 February   27 12:53.
-rw-r--r--. 1 root root    219 February   02:12 fi
-rw-r--r--. 1 root root     97 February   13:02 EE
-rw-r--r--. 1 root root     97 February   13:02 DD
-rw-r--r--. 1 root Root 122479 February   11:02 AA

[Email protected] ~]# Du-ab--max-depth=1|sort-n
/.bash_logout.
/.lesshst.
/.xauth1rch8v.
/.CSHRC.
129./.TCSHRC
176./.bash_profile
176./.BASHRC
219./si
586./.sqlite_history
1160./.mysql_history

[Email protected] ~]# Find/-name "*.h" | Xargs Ls-alt|more
[Email protected] ~]# Find/-name "*.C" | Xargs grep "printf" |more
[[email protected] ~]# find./! -type D
./.lesshst
./.sqlite_history
./.gconfd/saved_state
./.BASHRC

[Email protected] ~]# smbpasswd Lizongbin
[Email protected] ~]# snmpwalk-c 123456-o n-v 2c 192.168.2.254
[[email protected] ~]# htpasswd-c/usr/local/nagios/htpasswd.users user name new password

[Email protected] ~]# watch-d ' ipvsadm-l--stats '
[Email protected] ~]# watch-d ' netstat-an|grep 10000 '
[[email protected] ~]# tcpdump port 50001 UDP
[Email protected] ~]# Netstat-anp|grep 41934