Every operating system, whether being used as a personal computer or as a server, maintains a log of the shutdown, reboot, and login times. This is not only important for system administration, but also for
The history command in Linux displays the list of previously executed commands in a tabular format; with the first column displaying the number of commands, and the second column displaying the actual commands that were
The echo command in Linux is used to display a string or a set of strings onto the terminal. The string(s) is passed as an argument to the command. The echo command also comes with
Linux is getting popular in programming for developers because of being a free and open-source operating system. In Linux, most of the programming software and compiler comes preinstalled. There are many popular compilers available for
To join two or more text files on the Linux command-line, you can use the cat command. The cat (short for “concatenate”) command is one of the most commonly used commands in Linux as well
The PATH is an environment variable that contains the search path (a colon-separated set of directories) for executing commands and scripts. The PATH variable can be set on a per-user basis or system-wide for all
If you are facing difficulty while systematically reading log files in Linux. Then you are in the right place. Simply doing cat to read a log file is a kinda basic way to inspect a
At some point where you want to save command output into a specific file for any reason, like debugging. In Linux, to save the output of a file, we use stdout. This is also known
Deleting the buffers and cache reduces the performance of the Linux system! If you’re here because you thought that freeing buffers and cache was a positive thing, go and read Linux ate my RAM!. The
To list or sort all files in a directory by size, we will use the ls command, which will list computer files in Unix and Unix-like operating systems. Releated Read: Fun: SL (Steam Locomotive) Runs