UNIX FAQ
Who helped you put this list together? This document was one of the first collec
When someone refers to 'rn(1 It looks like some sort of function call, but it isn'
What does {some strange unix command name} stand for? awk = "Aho Weinberger and
How does the gateway between "comp.unix.questions" and the "info-unix" and
What are some useful Unix or C books? Mitch Wright (mitch@cirrus.com) maintains
What happened to the pronunciation list that used to be part of this From i
How do I remove a file whose name begins with a "-" ? Figure out some way to nam
How do I tell inside .cshrc if I'm a login shell? When people ask this, they usua
How do I construct a shell glob-pattern that matches all files You'd think t
How do I find the last argument in a Bourne shell script? Answer by:
What's wrong with having '.' in your $PATH ? A bit of background: the PATH enviro
How do I ring the terminal bell during a shell script? The answer depends on your
Why can't I use "talk" to talk with my friend on machine X? Unix has three common
Why does calendar produce the wrong output? Frequently, people find that the outp
How do I remove a file with funny characters in the filename ? If the 'funny cha
How do I get a recursive directory listing? One of the following may do what you
How do I get the current directory into my prompt? It depends which shell you ar
How do I read characters from the terminal in a shell script? In sh, use read.
How do I rename "*.foo" to "*.bar", or change file names to lowercase? Why doesn
Why do I get [some strange error message] when I "rsh host command" ? (We're tal
How do I {set an environment variable, change directory} inside current shell?
How do I redirect stdout and stderr separately in csh? In csh, you can redirect
How do I find the creation time of a file? You can't - it isn't stored anywhere.
How do I find the process ID of a program with a particular name In a shell
How do I check the exit status of a remote command This doesn't work:
Is it possible to pass shell variable settings into an awk program? There are two
How do I get rid of zombie processes that persevere? Unfortunately, it's impossib
How do I get lines from a pipe as they are written instead of only in The st
How do I get the date into a filename? This isn't hard, but it is a bit cryptic a
Why do some scripts start with #! ... ? Chip Rosenthal has answered a closely rel
How do I use "rsh" without having the rsh hang around until the (See note i
How do I truncate a file? The BSD function ftruncate() sets the length of a file
Why doesn't find's "{}" symbol do what I want? "find" has a -exec option that wi
How do I set the permissions on a symbolic link? Permissions on a symbolic link
How do I "undelete" a file? Someday, you are going to accidentally type somethin
How can a process detect if it's running in the background? First of all: do you
Why doesn't redirecting a loop work as intended? (Bourne shell Take the following exam
How do I run 'passwd', 'ftp', 'telnet', 'tip' and other interactive These p
How do I read characters from a terminal without requiring the user Check o
Is it possible to reconnect a process to a terminal after it has and logging out?
Is it possible to "spy" on a terminal, displaying the output There are a few
How do I check to see if there are characters to be read without Certain ve
How do I find the name of an open file? In general, this is too difficult. The
How can an executing program determine its own pathname? Your program can look a
How do I use popen( The problem with trying to pipe both input and output to an
How do I sleep( The first thing you need to be aware of is that all you can s
How can I get setuid shell scripts to work? [ This is a long answer, but it's a
How can I find out which user or process has a file open or is using Use fu
How do I keep track of people who are fingering me? Generally, you can't find ou
Can shells be classified into categories? In general there are two main class of
How do I "include" one shell script from within another shell script? All of the
Do all shells have aliases? Is there something else that can be used? All of th
How are shell variables assigned? The shells from the C shell category use "set
How can I tell if I am running an interactive shell? In the C shell category, lo
What "dot" files do the various shells use? Although this may not be a complete
I would like to know more about the differences between the A very detailed
Disclaimer, introduction and acknowledgements. NOTE TO READERS: I would like to
A very brief look at Unix history. Unix history goes back to 1969 and the famous
Main Unix flavors. The following is very much an early '90s view.
Main Players and Unix Standards. The more important players in the Unix scene cu
Identifying your Unix flavor. This section lists a number of things you can look
Brief notes on some well-known (commercial/PD (I am not at all satisfied with this sect
Real-time Unices. WARNING: this section is badly in need of work. It's full of e
Unix glossary. This section provides short definitions of various concepts and
RCS vs SCCS: Introduction The majority of the replies (in a recent poll) were in f
RCS vs SCCS: Conversion. An unsupported C-Shell script is available to convert from
RCS vs SCCS: Support SCCS is supported by AT&T. RCS is supported by the Free Softw
RCS vs SCCS: Command Comparison SCCS RCS E
RCS vs SCCS: Acknowledgements I would like to thank the following persons for contr
Can I get more information on configuration management systems? Bill Wohler, who com
RCS vs SCCS: How do the interfaces compare? RCS has an easier interface for first
RCS vs SCCS: What's in a Revision File? RCS keeps history in files with a ",v" suf
RCS vs SCCS: What are the keywords? RCS and SCCS use different keywords that are e
What's an RCS symbolic name? RCS allows you treat a set of files as a family of fil
RCS vs SCCS: How do they compare for performance? Since RCS stores the latest vers
RCS vs SCCS: Version Identification. SCCS is able to determine when a specific lin
RCS vs SCCS: How do they handle problems? If you are missing the sccs or rcs tools
RCS vs SCCS: How do they interact with make(1 The fact that SCCS uses prefixes (s.file.c)
Version: $Id: part1,v 2.9 1996/06/11 13:07:56 tmatimar Exp $ These seven articles contain
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