Author: S J

This topic is about Linux Admin - tee Command. tee is a simple command, letting an administrator write command output and view a file at the same time. This simple command…

This topic is about Linux Admin - uniq Command. Following are the common switches used with uniq. This command reports or omits repeated lines. SwitchAction-cPrefix lines by the number of occurrence-iIgnore…

This topic is about Linux Admin - sort Command. sort has several optimizations for sorting based on datatypes. Theis command writes sorted concatenation of all files to standard output. However, be…

This topic is about Linux Admin - wc Command. wc is useful for counting occurrences in a file. It helps print newline, word, ad byte count from each file. Most useful…

This topic is about Linux Admin - head Command. head is a basic opposite of tail in relation to what part of the file operations are performed on. By default, head will…

This topic is about Linux Admin - more and less Command. Both more and less commands allow pagination of large text files. When perusing large files, it is not always possible to use grep unless we…

This topic is about Linux Admin - Grep Command. grep is commonly used by administrators to − Find files with a specific text stringSearch for a text string in logsFilter command…

This Topic is about Linux Admin - Using the vi / vim Text Editor. vim represents a newer, improved version of the vi text editor for Linux. vim is installed by…

This topic is about Linux Admin - tail Command tail will output (stdout) the last part of a text file. Most useful when perusing long text files and we only need…

This topic is about Linux Admin - Basic Math Operations. Bash does integer math using the common operators for addition, subtraction, multiplication, and division. +Addition-Subtraction*Multiplication/division%Modulus<<Increment--Decrement When performing math operations, it…