Open the diff viewer to compare two or three files from the command line. For example, you can compare the current version of a file with its backup, or your local copy of a file with its copy from the remote repository or its copy from another branch. ...
Chapter 01How to Use the help Command in Linux Chapter 02How to Use the man command in Linux Chapter 03How to use the info and pinfo commands in Linux Conclusion Linux shell provides two types of commands: internal and external. Internal commands are part of the shell. External commands ar...
In Sheryl Calish's excellent article“Guide to Linux File Command Mastery,"you learned some routine Linux commands, which are especially valuable for Linux newbies. But now that you have mastered the basics, let’s move on to some more sophisticated commands that you will find extremely useful....
This is written for Linux, with the exception of the "macOS only" and "Windows only" sections. Many of the other items apply or can be installed on other Unices or macOS (or even Cygwin). The focus is on interactive Bash, though many tips apply to other shells and to general Bash sc...
This command, which has an alias of dw, is designed to provide quick access to top-level directory information. The default behavior is to show the total number of files in the immediate directory. Although, the command will also capture the total file size in the immediate directory. You ...
Most packages automatically set the path variable inmacOS update or clean install. When performing a custom installation, you might occasionally need to set up path variables in Linux or macOS manually. Solution 4. Set the Zsh Command Path in the .zshrc File ...
find and xargs can be used together to operate on files that match certain attributes. In the following example files older than two weeks in the temp folder are found and then piped to the xargs command which runs the rm command on each file and removes them....
Using Batch Files Using && and || for Conditional Processing When you use && between two commands in a single command line, the command interpreter processes the first command and, if successful, processes the second command. On the other hand, if you use | | between two commands, the comm...
rgmanger, misleading mount cmd in syslog When a service does mount a filesystem the mount command itself is logged with a severity of "err". This may confuse some monitoring. Please compare example below. Raw 2013-03-11T16:11:15.011719+01:00,aeptst001,rgmanager[14016]:,local4,err, [fs...
The cat command concatenates and displays the given files to the standard output, which is normally the screen (although this output can be changed using the redirection symbol). For example, to list a file to the screen: Sign in to download full-size image To concatenate two files together...