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Tecmint: Linux Howtos, Tutorials & Guides
  • Latest Tutorials
  • Commands
    • A – Z Linux Commands
    • 100+ Linux Commands
  • Tools
  • Distros
    • Linux Distros for Beginners
    • Linux Distros for Experts
    • New Linux Distros
    • Linux Server Distros
    • Secure Linux Distros
    • CentOS Alternatives
    • RedHat Distributions
    • Debian Distributions
    • Ubuntu Distributions
    • Arch Linux Distros
    • Rolling Linux Distros
    • KDE Linux Distros
    • Linux Distros for Old PC
    • Linux Distros for Kids
    • Linux Distributions for Students
    • Linux Distros for Windows
  • Courses
    • Bash Scripting
    • Learn Linux
    • AI for Linux
    • RHCSA Certification
    • RHCE Certification
    • LFCS Certification
  • eBooks
    • RHCSA Exam
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    • LFCS Exam
    • LFCE Exam
    • LFCA Exam
    • Ansible Exam
  • About
  • Advertise

Linux Commands

Linux Commands for Linux Beginners

Linux Grep Commands on Character Classes

11 Advanced Linux ‘Grep’ Commands on Character Classes and Bracket Expressions

Have you ever been into a situation where you need to search for a string, word or pattern inside a

List Linux File Permissions in Octal Format Using Stat Command

Translate rwx Permissions into Octal Format in Linux

Sometimes you may find it useful to display the access rights of files or directories in octal form instead of

Identify Working Directories Using Shell Characters and Environment Variables

How to Identify Working Directories Using Shell Characters and Variables

Some of the special directories that a Linux user is bound to work with so many times on a shell

Encrypt and Decrypt Tar with OpenSSL in Linux

How to Encrypt and Decrypt Files and Directories Using Tar and OpenSSL

When you have important sensitive data, then its crucial to have an extra layer of security to your files and

Easily Correct or Fix Previous Command Typos in Linux

Easily Correct a Typo of Previous Command Using Carat (^) Symbol

Have you ever typed a command and rushed to hit Enter, only to find that you had a typo in

Find Processes By Memory Usage with top

Find Top 15 Processes by Memory Usage with ‘top’ in Batch Mode

Similarly to the previous tip about find out top processes by RAM and CPU usage, you can also use top

Find Top Running Processes by Highest Memory and CPU Usage in Linux

I remember once reading that efficient system administrators are lazy people. The reason is not that they’re not doing their

Set User Process Limits in Linux

How to Set Limits on User Running Processes in Linux

One of the Linux’s beauties is that you can control almost everything about it. This gives a system administrator a

Increase Linux Open File Limits

How to Increase Number of Open Files Limit in Linux

In Linux, you can change the maximum amount of open files. You may modify this number by using the ulimit

Linux Filesystem Backup Using 'cat' Command

How to Backup or Clone Linux Partitions Using ‘cat’ Command

A rough utilization of Linux cat command would be to make a full disk backup or a disk partition backup

Set PATH Variables Permanently in Linux

Learn How to Set Your $PATH Variables Permanently in Linux

In Linux (also UNIX) $PATH is environment variable, used to tell the shell where to look for executable files. $PATH variable

Learn more and less Command in Linux

Learn Why ‘less’ is Faster Than ‘more’ Command for Effective File Navigation

More is a *nix command line used to display the contents of a file in a console. The basic usage

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