small programs used on the command line to do a specific job

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33
votes
4answers
27k views

What is the mknod command used for?

I just started using Ubuntu as my main OS and I wanted to learn about things I should not do, and learn by the bad things people have done in the past. I came across these email about horror stories ...
8
votes
1answer
477 views

Is there a way to make perl -i not clobber symlinks?

A friend of mine points out that if you do: perl -pi.bak -e 's/foo/bar/' somefile when "somefile" is actually a symlink, perl does just what the docs say it will do: It does this by renaming ...
0
votes
1answer
91 views

Sources to learn about performing certain tasks on command line?

Can someone transform it into community wiki please? I guess I've got no privileges for that. Let's list practical sources for learning about performing certain tasks on *nix command line. E.g. I ...
18
votes
4answers
8k views

Setting the window dimensions of a running application

I'm trying to start an application within Ubuntu (xfce or gnome) and via the command line and was wondering if there's a generic way to set the dimensions of a given window of a given app that is ...
4
votes
2answers
2k views

wgetpaste alternatives?

Are there any wgetpaste alternatives?
9
votes
3answers
465 views

Doing two things with output from a command

I have a program texcount that outputs the number of words in my LaTeX document. I can also pipe the output of this to sed to make the newlines TeX linebreaks and write this to a file which I can then ...
5
votes
1answer
646 views

How to use the ul command line utility

I wanted to answer http://unix.stackexchange.com/questions/3043/use-roff-to-underline-words with "just use ul, this command is meant specifically for underlining text", however I just can't grasp how ...
7
votes
1answer
741 views

Difference between references of Linux “utilities”, “commands” and “programs”

I read uses of the word "utilities" for commands/programs such as 'ls', 'chmod', 'mv', etc. Is "commands" is Linux referring to the same things as top, ps, etc., or are those something different? ...
16
votes
9answers
11k views

Tool in UNIX to subtract dates

Is there any tool in Solaris UNIX (so no GNU tool available) to subtract dates? I know that in Linux we have gawk that can subtract one date from another. But in Solaris the maximum we have is nawk ...
30
votes
5answers
10k views

Is there any option with 'ls' command that I see only the directories?

Sometimes, I need to check only the directories not files. Is there any option with the command ls? Or is there any utility for doing that? EDIT: I'm using Mac OS X, and ls -d gives me . even though ...
7
votes
9answers
468 views

What is/are the standard CLI program(s) to manage users and groups?

As the title says, I'm basically asking about user management from the command line (e.g. on a system where there are no graphical tools available). In the past I've used several different programs to ...
17
votes
8answers
2k views

What are the best general purpose programming tools to complement Vim?

I've been using Vim as my text editor for a little while now and I feel like I'm taking the long way to do anything. I use ctags to tag my code base for navigation and I use grep (although ...