In Linux, the aspell utility is the primary utility for checking the spelling of text files. In this post, we learn how to use aspell to interactively spell check a file and customize the spell checker with a personal dictionary.
The paste command is used to combine multiple files into a single output. Recall the fictional piece of paper which …
The uniq program is used to identify, count, or remove duplicate records in sorted data. If given command-line …
Linux cat command We have been using the cat command to simply display the contents of files. Usually, the cat command …
Searching Text File Contents using grep In an earlier post, we saw how the wc program can be used to count the …
Sorting is the process of arranging records into a specified sequence. Examples of sorting would be arranging a list of …
Counting Made Easy Have you ever tried to answer a “25 words or less” quiz? Did you ever have to write a 1500-word …
It is important to understand what actions you must take when SELinux prevents access to files on a server that you know …
How SELinux Protects Resources SELinux provides a critical security purpose in Linux, permitting or denying access to …
The Problem When running the multipath command it could be seen devices reporting failed paths, like “sdb” …
Initial SELinux Contexts On systems running SELinux, all processes and files are labeled. The label represents the …