What is the purpose of the do keyword in Bash for loops? 89 What is the purpose of the do keyword in Bash for loop syntax? To me, it feels redundant for i in `seq 1 2`; do echo "hi"; done Why isn't the syntax like this? for i in `seq 1 2`; echo "hi"; done I'm sure that it does fill a purpose I just want to learn
Find all files containing a specific text (string) on Linux How do I find all files containing a specific string of text within their file contents? The following doesn't work It seems to display every single file in the system find -type f -exec grep -H '
How do I change the extension of multiple files? - Unix Linux Stack . . . This would be ideal, rather than the chosen best answer Anyway, note that different linux distros have different implementations of rename; e g OpenSuse uses util-linux rename and won't work with regular-expressions (meh 😒), so not ideal for file-extension renaming
How do I remove a user from a group? - Unix Linux Stack Exchange Which command should I use to remove a user from a group in Debian? When adding a user to a group, it can be done with: usermod -a -G group user However, I could not find a similar command (accep
What does gt; do vs gt; gt;? - Unix Linux Stack Exchange I am currently doing preparation for my GCSE computing controlled assessment on Linux I type ls gt; list and ls gt; gt; list into the command line, but it does not do anything I have googled it
What is `^M` and how do I get rid of it? - Unix Linux Stack Exchange 353 When I open the file in Vim, I see strange ^M characters Unfortunately, the world's favorite search engine does not do well with special characters in queries, so I'm asking here: What is this ^M character? How could it have got there? How do I get rid of it?
How to permanently set $PATH on Linux Unix - Stack Overflow There are multiple ways to do it The actual solution depends on the purpose The variable values are usually stored in either a list of assignments or a shell script that is run at the start of the system or user session In case of the shell script you must use a specific shell syntax and export or set commands System wide etc environment List of unique assignments Allows references
Execute vs Read bit. How do directory permissions in Linux work? In my CMS, I noticed that directories need the executable bit (+x) set for the user to open them Why is the execute permission required to read a directory, and how do directory permissions in Linux