Unix basics
The following is a small selection of introductory texts from Indiana University's Knowledge Base. You can also search for particular words or phrases throughout the entire Knowledge Base with the full-text search.
Contents
Commands
- Introduction to Unix commands
- In Unix, what is the man command, and how do I use it to read manual pages?
- In Unix, what do some obscurely named commands stand for?
- In Unix, how can I reissue a long command without retyping it?
- In Unix, how do I use the scp command to securely transfer files between two computers?
- In Unix, what is tar, and how do I use it?
- In Unix, how do I use the sort command?
- Unix job control command list
- In Unix, what do the output fields of the ps command mean?
- What is grep, and how do I use it?
- What is awk, and how do I use it?
For more information, search the Knowledge Base on man or grep, for example.
General
- What is Unix?
- In Unix, how do I log into and out of my account?
- In Unix, how do I change my password?
- From a Unix account, how do I connect to another shared computer?
- In Unix, how do I print files and list or remove print jobs?
- In Unix, what is the shell?
- How do I use the vi text editor?
- What is the X Window System?
- In Unix, what is a disk quota?
For more information, search the Knowledge Base.
System information
- In Unix, how can I display information about the operating system?
- In Unix, how do I check the CPU usage of a job?
- At IU, how do I configure my Unix workstation's DNS settings?
- In Unix, how can I check whether a networked computer has crashed?
- In Unix, how do I look up IP addresses?
- In Unix, how can I find the current values of all my environment variables and functions?
- In Unix, how can I display statistics on free disk space?
- In Unix, what is a daemon?
- In Unix, what is a group?
- In Unix, how can I find the correct path to an executable file?
- In Unix, what is my path, and how do I set or modify it?
For more information, search the Knowledge Base.
Files and the file system
- What do some common Unix file extensions mean?
- In Unix, what are some common dot files?
- In Unix, how do I use filename completion?
- In Unix, what is a symbolic link, and how do I create one?
- In Unix, what is a hard link?
- In Unix, what is Ispell and how do I use it to spell-check files?
- In Unix, how can I display the first few lines of a file?
- In Unix, how can I display the last lines of a file?
- In Unix, how can I split large files into a number of smaller files?
- In Unix, what is a Makefile?
- At IU, who can recover files and email accidentally deleted from UITS central systems?
For more information, search the Knowledge Base.
Linux
- About Linux
- IU's software agreement with Red Hat
- What is Ubuntu Linux, and how can I get it?
- In Linux, what is RPM, and how do I use it to install software?
- For Linux using Mozilla Thunderbird, how do I read my IU mail using IMAP?
- In Red Hat Enterprise Linux 2.x, 3.x, and 4.x, how do I authenticate to the Kerberos realm (IU.EDU)?
- At IU, in Gentoo Linux, how do I authenticate to the Kerberos realm (IU.EDU)?
- In Linux, how can I make an L2TP over IPsec VPN connection to the IU network, and what software do I need?
For more information, search the Knowledge Base.
Flavors and implementations
For more information, search the Knowledge Base.
Help
- For Unix, where can I find online tutorials?
- Where can I find information about Unix workstation security?
- For my personal Unix or Linux workstation, where can I download freeware, shareware, and public domain software?
For more information, search the Knowledge Base.
At Indiana University, to get support for personal or departmental Linux or Unix systems, see At IU, how do I get support for Linux or Unix?
This is document apek in domain all.
Last modified on August 22, 2008.
Last modified on August 22, 2008.
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