UNIX or Linux operating system has become default Server operating system and for whichever programming job you give interview you find some UNIX command interview questions there. These UNIX command interview questions are mostly asked during Java d…

Databases Questions & Answers 1.      What are two methods of retrieving SQL? 2.      What cursor type do you use to retrieve multiple recordsets? 3.      What action do you have to perform before retrieving data from the next result set of a stored…

What do you mean by Warrant?Warrant is a financial product which gives right to holder to Buy or Sell underlying financial security, its similar to option with some differences e.g. Warrants are normally issued by banks while options are primarily tr…

UNIX is a multi-user multitasking-optimized operating system that can run on various hardware platforms. Linux is basically an open-source clone of UNIX,而Unix的所有components都来自于同一个vendor,所以更稳定. A shell in the world of computers refers to a program that…

plink_path = "C:/plink.exe"     'plink.exe 路径 username = "username"       '用户名 password = "password"       '密码 host = "192.168.0.1"        'Unix/Linux服务器地址 command = "ls"                  '要执行的命令 Set oShel…

free displays the total amount of free and used memory free [options] top provides a dynamic real-time view of a running system top [options] ps provides snapshot of the status of currently running processes ps [options] kill sends a signal to a proc…

http://linux.about.com/library/cmd/blcmdl1_bunzip2.htm NAME bzip2, bunzip2 - a block-sorting file compressor, v1.0.2 bzcat - decompresses files to stdout bzip2recover - recovers data from damaged bzip2 files SYNOPSIS bzip2 [ -cdfkqstvzVL123456789 ] […

yum install lrzsz Most communications programs invoke rz and sz automatically. You can also connect to a remote system, log in, and manually invoke sz with the flags you want to use. Zmodem automatically downloads the files to your home system using…

Use telnet command The syntax is:telnet {host} {port}telnet www.cyberciti.biz 80telnet 192.168.2.254 80Sample outputs: Trying 192.168.2.254... Connected to router. Escape character is '^]'. ^] telnet> q Connection closed. To close your session, press…

cat displays the contents of a file at the command line copies or apppend text file into a document cat [OPTIONS] .. [FILE] head prints the first part of the files head [ OPTION] … [FILE] tail prints the last part of files tail [OPTION] … [FILE] … mo…