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Discover 10 simple Linux tips to save time in the command line and work efficiently in UNIX. Learn how to execute previous commands quickly, repeat the last command, use history to find frequently used commands, apply regular expressions in grep and find, use aliases, and more.

10 simple Linux tips which save 50% of my time in the command line

This post covers various interview questions for DevOps engineers related to BASH and Linux, including types of variables used in shell scripting, checking if a file exists, default file permissions, CRONTAB, debugging shell scripts, disk usage, shebang line, Linux process stages, metacharacters, renaming files, reading command line arguments, standard streams in Linux, differentiating between two shell variables, checking file existence, extracting part of a string variable, differences in string matching, SSH authentication, special shell variable $?, using grep to find numeric digits, listing file names only, checking if a zip file contains a directory, and when to use curly braces around shell variables.

BASH/Linux Interview Question for DevOps Engineers

Learn about the differences between sh and Bash, the features they offer, and which shell to use.

What’s the Difference Between sh and Bash?

Explore shell scripting and command-line tools for automating tasks, managing system resources, and working with files and directories. Learn about Unix shell scripting, bash scripting, and shell programming techniques. Whether you're a sysadmin, developer, or command-line enthusiast, there's  content here to help you learn about shell scripting and command-line skills.

Best of Shell — May 2024