Here are some basic linuxand unix commands and a description of what they do. Hope they are helpful
Lets you view the contents of a file. Many linux commands can use the redirection symbol > to redirect the output of the command. For example, use the redirection symbol with the cat command to copy a file: cat /etc/shells > newfile ( the contents of the shells file are written to newfile ).
Changes the directory.
This command changes the attributes assigned to a file and is similar to the DOS Attrib command.
Clears the screen. This command is useful when the screen has become cluttered with commands and data that you no longer need to view.
Used to copy a file.
Entered alone, this command displays the current system date settings. Entered in the format date
Displays information on the screen.
Creates or makes changes to a hard drive partition table.
Searches for a specific pattern in a file or in multiple files.
Displays a server's FQDN.
Used to troubleshoot problems with network connections under TCP/IP, this command can disable and enable network cards and release and renew the IP address assigned to these cards.
Kills a process instead of waiting for the process to terminate.
This command is similar to the DOS Dir command, which displays a list of directories and files.
Displays the online help manual, called man pages.
This command makes a new directory.
Appended to a command to display the results of the command on the screen one page at a time.
Moves a file or renames it, if the source and destination are the same directory.
Shows statistics and status information for network connections and routing tables.
Queries doman name servers to look up domain names.
Used to test network connections by sending a request packet to a host. If a connection is successful, the host will return a response packet.
Displays the process table so that you can identify process ID's for currently running processes.
Shows the name of the present working directory.
Reboots the system.
Removes the file or files that are specified.
Removes a directory.
Entered alone, this command shows the current configuration of the IP routing table. Entered in the following format, it configures the IP routing table: route
Launches a full screen editor that can be used to edit a file.
Displays a brief overview of a command.
Displays a list of useres currently logged in.
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