How To

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Atime, Ctime and Mtime in Unix Filesystems

What are atime, ctime and mtime? As you know, Unix filesystems store a number of timestamps for each file. Why are they …

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How to List Directories in a Directory in Unix

Another quick answer to the question I see a lot in search queries on this blog: listing directories in a directory.

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How to Install 32-Bit Debian Packages on 64-Bit System

Many software products, especially the commercial ones, are distributed as 32-bit packages. This means that they …

• Basic stuffHow-To

How to Find Your UID From Bash

I see this question a lot in search engines requests which point to this blog. And if you’re so interested how …

• Basic stuffHow-ToLinuxUbuntu

How to Find the Largest Files in Your Unix System

I see that my Finding Large Files and Directories post is quite popular, yet there are a few more ways to simplify your …

• Basic stuffHow-To

How to Find the Owner of a File in Unix

Surprisingly, I see quite a few questions around file ownership asked all the time. And one of the first questions asked …

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How to Compare Text Files Using Diff

If you need to compare two text files in Unix, you’re mostly likely to use the diff command.

Today I’ll talk …

• Basic stuffHow-To

How to Find Out Which Group a Unix User Belongs To

If you know the name of a particular user on your Unix system and just want to confirm the primary Unix group (gid) of …

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How to Find Out User ID in Unix

There’s quite a few ways to confirm a user ID (uid) in Unix.

id command

This is probably one of the easiest ways …

• How-ToLinuxRed Hat

How to Find Out RedHat Version and More

If you’re a really curious mind, you won’t be satisfied with simply knowing the current release of your …