echo $SHELL
It depends on the shell interpreter you are using, but in general the I/O redirection operators are >, >>, |.
At the command prompt, type 'man [command]' (removing the brackets and substituting the command for which you need information).
To create new users in Linux using Bash, you can use the useradd command followed by the username. For example, sudo useradd newusername will create a user named "newusername." To set a password for the new user, use the command sudo passwd newusername and follow the prompts. Additionally, you can specify options like user home directory or shell by using flags such as -m for creating a home directory or -s for setting the default shell.
date
According to the Linux+ Guide to Linux Certification 2nd ed., most configuration files on Linux systems are delimited using the colon symbol (:) while the awk command uses spaces or tabs as delimiters for each field in a line. SudoKing, please note that the hash symbol (#) allows the commenting of lines, not the delimiting of lines. This is not to be confused with a hashpling (such as #!/bin/bash) which is located on the first line in a shell script, and specifies the pathname to the shell that interprets the contents of the shell script.
ps aux
Displays the detailed status of a particular file or a file system. You can always refer manual pages for linux commands using the terminal using the "man" keyword before the actual command. ex:- man stat
Your login shell can be changed by using the chsh or ypchsh command.
"man" is part of Linux. You could try "info" if you really wanted.
The echo command echoes out any of the command line arguments given to it. It is commonly used in shell scripts to echo what portions of the shell script are doing.
The "whoami" command should show you what account you are currently using.
If you want to determine whether a year is a leap year. Use the cal command for the month of February. So to check 2012, for example, do: cal 2 2012 and see if it prints 28 or 29 days.