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-1
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0answers
31 views

What are configuration files that can be overriden by existing in the current directory called?

For instance, in git you can set a global .gitignore file, that would include things you might use all the time regardless of the project...like vim temp files, or other editor temp files you'd never ...
2
votes
1answer
36 views

How is the ability to do something on the fly and the ability to make that same thing permanent referred to in Unix / Linux?

I can think of many examples of this... You can use the ip/if* commands to set your network interface in the here and now, but you can edit a file like /etc/network/interfaces to make the changes ...
0
votes
1answer
20 views

Some terminology about CLI [duplicate]

Is there any difference in meaning between the following terms? Can they be used interchangeably? terminal console shell command line interface If any, what are the differences?
0
votes
1answer
21 views

What kind of times exist beside of runtime ? [closed]

I first encountered the expression "runtime" when s.o. told my that in Linux files ending in .ko are able to be loaded into the kernel at runtime to increase its functionality when needed. So, ...
8
votes
2answers
67 views

What does [[.ch.]] mean in a regex?

Alternate title: What is a "collating sequence" or "collating element" in a POSIX-compliant regex? I found the exact technical definition in Section 9.3.5 of the POSIX specs, as item #4 in the list, ...
0
votes
1answer
79 views

What can be considered as operating system? [closed]

I am talking about GNU/Linux but not about GNU or Linux! I know that Kernel is the core component in operating system but I want to know what defines the "operating system" (What can be considered as ...
5
votes
2answers
446 views

How do you call the “happy-dog” part of file “happy-dog.png”?

I just realized I don't know how file is called in file.ext. The whole file.ext is called a file or filename, ext is called extension but how do you call the file part itself of file.ext? For ...
1
vote
0answers
49 views

Terminology terminal fonts [closed]

I have a problem with terminology fonts, my font is "Bitstream Vera Sans Mono (Roman)" I tried switch fonts but it is not solved the problem, picture attached: Thanks, Michael. EDIT: The problem ...
26
votes
1answer
2k views

What is the significance of “tab” e.g. in “crontab” or “initab”?

What does the "tab" mean in "crontab" or "initab"? Having some idea of its meaning might help to mentally categorise files which contain the "tab" suffix and understand their relationship with the ...
3
votes
1answer
206 views

In the terminology terminal, how do I change it's login shell?

I would like to use tcsh and not bash. I tried chsh, but it still is logging me in as bash Terminology is the default terminal for Bodhi Linux
5
votes
3answers
694 views

Does the shadow file have encrypted passwords?

man 5 shadow says this about the 2nd field: encrypted password Is that true nowadays? I think it should say "hashed password". Am I correct?
2
votes
2answers
76 views

What is the technical term for command line application environment programs?

Some programs that are run in the terminal, after calling them, switch the command line to their own environment, like "R" (statistical program language) or "GHCi" (interactive Haskell). What is ...
0
votes
2answers
175 views

Why do some processes end with the letter “d”? [duplicate]

Some Linux binaries end with a "d", for example sshd, httpd, ppd, etc. Why is this so?
20
votes
4answers
2k views

Terminology reconciliation: Display manager vs. session manager, Windowing system vs. Window manager

I am taking the Linux Foundation's Introduction to Linux course. Some of the terminology seems to overlap or contradict, especially when I try to supplement the course material with other sources, ...
1
vote
2answers
208 views

What is the concept hidden behind the term “command”?

I have been using, studying and developing for Linux for quite a few years now, and over time, I have successfully convinced a few people to join the cause, and make the switch to Linux. However, ...
-1
votes
3answers
926 views

Why is “shebang” called “shebang”?

Does "shebang" mean "bang she"? Why not "hebang" as "bang he"?
-1
votes
1answer
398 views

What does “quiet mode” mean for the mkfs command?

I was reading about the mkfs command and I came across something I don't quite understand: mkfs Syntax mkfs [-t fstype] [fs_options] device Options : ............ -q ...
2
votes
2answers
4k views

What does “batch mode” mean for the top command?

I was reading about the top command and I came across something I don't quite understand: top options: -b Run in batch mode. This is useful for sending output from top to other programs or to ...
19
votes
2answers
806 views

What does “magic tests” mean for the file command?

I was reading about the file command and I came across something I don't quite understand: file is designed to determine the kind of file being queried.... file accomplishes this by performing ...
2
votes
1answer
53 views

How to call a method of configuring the result of which is active until the first reboot?

For example, you can configure a network interface and other settings from the command line of your terminal. But you can also save the settings to the file /etc/network/interfaces (Debian GNU/Linux) ...
5
votes
2answers
228 views

What's the difference between 'expansion' and 'substitution' in terms of shell programming's terminology?

Expansion and Substitution seems to be interchangeble at same context in shell programming language. For example, some documents such as Bash reference manual, Bash Hackers Wiki use the word ...
4
votes
1answer
226 views

Confusion regarding the term 'mount' in Linux

I am reading the man page of mount and clone. I understand that mount is used to add a directory hierarchy to a mount point (a directory). In clone's man page, under the CLONE_NEWNS section, they ...
29
votes
4answers
4k views

What is the correct name for the “>” command

I was trying to find how to pass some text to a file without overwriting what's there already using the > command and I realised I don't know what it's called. Searching for right arrow or right ...
7
votes
2answers
858 views

Expansion of a shell variable and effect of glob and split on it

This post actually contains two separate questions but I think grouping them together will give some more context. I have gone through this question on quotes around variables but I do not quite ...
5
votes
3answers
429 views

Why BitchX is called BitchX?

Well, the title is pretty much self-explanatory, but for sake of completeness, I'm curious to know the reason for the name of BitchX. I searched on internet for etymology but it was a fail. I hope ...
1
vote
1answer
388 views

What is MEAN (on Ubuntu)?

This might initially seem like the sort of question that is easy to Google, but it's not. Instead of useful results, you get things like answers to the question "What does Ubuntu mean?", or "what ...
5
votes
2answers
712 views

What does the jargon filesystem mean?

I know this question sound quite stupid. Sometimes when I go through sections of Linux books about filesystem, it may turn out that it is a chapter talking about the directory structure of a standard ...
0
votes
2answers
2k views

what is a background process?

Here is a common definition of a background process: "A background process is a program that is running without user input. A number of background processes can be running on a multitasking operating ...
5
votes
3answers
1k views

Is Linus Torvalds a hacker? [closed]

Maybe wrong place for the question, but I couldn't find the answer. The wiki says he's software engineer and hacker. (http://en.wikipedia.org/wiki/Linus_Torvalds) Is it true? I must tell I haven't ...
40
votes
2answers
3k views

Why do some Linux files have a 'd' suffix?

I am new to Linux. I observed some of the binary files and configuration file name s end with a d. What is reason for putting a d at the end of the file name? Like httpd, ospfd, pppd, syslogd, ...
5
votes
4answers
27k views

Command 'date +FORMAT' — What are %a, %A, %b, etc. called?

The date command outputs the current date and time like this: Fri Apr 12 15:04:03 UTC 2013. To have the output date-time in a custom format we can use date +FORMAT, for example, like this: date ...
3
votes
1answer
71 views

Definition of sane

Does sane have a technical definition in a unix / linux context? I mean in situations such as this: checking whether build environment is sane... yes
1
vote
1answer
318 views

What is the proper use of the term 'session'?

[I hesitated whether to post this in meta or here. But although this involves terminology, it is of general use, not only on this website.] It looks like at least in Xfce 4.10 (with the session ...
5
votes
3answers
7k views

what is OS hardening in linux or unix?

The term OS hardening itself is misleading/vague to me as i am reading to understand it online here. It seems to me that its something related to making linux/unix box more secure.
5
votes
4answers
1k views

What is “lightweight”?

Is there a technical definition, or at least some benchmark notion, of the word "lightweight"? Is it just some arbitrary "doesn't consume a lot of computer resources"? Or perhaps "the application ...
1
vote
1answer
331 views

What does port mean in context of a shell in unix?

From the book Advanced Programming in the Unix environment: Linux uses the Bourne-again shell for its default shell. In fact,/bin/sh is a link to /bin/bash.The default user shell in FreeBSD ...
3
votes
2answers
344 views

What does the term static variable mean in unix speak?

From the section 2.7 of the book - The Linux programing Interface named Process memory layout : Data is defined as the static variables used by the program. What is the significance of the word ...
1
vote
2answers
127 views

What does d signify in processes like syslogd and httpd?

Why there is a "d" after the name of processes like syslogd and httpd ? What is its significance ?
7
votes
3answers
5k views

In Unix speak what is the difference between a shell script and an executable?

I have seen this question on this site and this prompted me to ask this question . I want to know in Unix speak what is the difference between an executable and a shell script ?
3
votes
3answers
701 views

Official Description UNC (Universal Naming Convention)

Can anybody point to a man page or specification that defines the Universal Naming Convention (UNC)? I'm looking for the original source of the idea
1
vote
2answers
2k views

Home directory vs Working directory

In unix like systems what is the difference between a home directory and working directory ?
4
votes
1answer
80 views

Is 'device' synonymous with 'drive' in Unix-like OS's?

In Unix/Linux terminology, are the words 'device' and 'drive' synonymous?
3
votes
1answer
721 views

What to look for in log files if I think limited memory or disk space is causing a crash

Troubleshooting /var/log files for a recent series of crashes, what should I look for in the files if I believe low memory or disk space are to blame? Is there a general term used in the Linux ...
1
vote
3answers
181 views

Why FreeBsd is using man word for various functions?

Ok, I'm a newbie in FreeBsd and for your info I only know MS windows before this. I wonder why FreeBsd love to use man in various places, for example: FreeBsd Man Pages - This interface will allow ...
2
votes
2answers
777 views

Computer terminal and virtual console [duplicate]

Possible Duplicate: What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'? I was wondering what relations and differences ...
20
votes
6answers
9k views

What is a socket?

Could someone explain to me what a socket is? I see it in many acronyms in context of SSL, etc. Also, why is it called a socket? Is it purely because it was what a name they invented? Or was it the ...
14
votes
6answers
1k views

Why was the word “shell” used to descibe a command-line interface?

I'm curious about the term "shell." I think I know what it is (though the distinction between "shell" and "terminal" is still fuzzy) but why was the word "shell" chosen to describe this type of ...
4
votes
2answers
2k views

What is the referent of a file descriptor?

My understanding is that a file descriptor is an integer which is a key in the kernel's per-process mapping to objects such as open()ed files, pipes, sockets, etc. Is there a proper, short, and ...
31
votes
5answers
5k views

Why do /usr and /tmp directories for Linux miss vowels in their spellings?

I have often started to think about this but never found a good answer. Why are these two Unix directories not /user and /temp instead? All the other directories under root seem to be exactly what ...
13
votes
6answers
1k views

What does the name of the unix command apropos mean?

Apropos is a tool to search the headers of the man pages for a string. What does the name apropos mean?