Linux - Cal

The following in a Linux dictionary word of the day:

cal – command which has the ability to display a 12-month calendar beginning in January.

-j parameter is for Julian dates (shows days numbered 1 to 365 starting from January 1).

-y parameter is for the display of the entire current year.

[month][year] options to display a calendar applicable to the month and year given. 

Examples:

cal

cal -j

cal -y

cal 01 2000

Linux - Cache

The following is a Linux dictionary word of the day:

cache – a small fast memory holding recently accessed data, designed to speed up subsequent access to the same data.

In Linux, caching is a mechanism used to store frequently accessed data in memory to improve system performance. 

Types of Cache:

Page Cache: Stores cached files.

Dentry and Inode Cache: Stores directory and file attributes.

Linux - C Shell

The following is a Linux dictionary word of the day:

C Shell – shell written to look similar to the C programming language. The program name is csh.

The C shell (csh) was created by Bill Joy in the late 1970s at the University of California, Berkeley. It was designed to improve interactive use and to have a syntax similar to the C programming language.

Key Features of C Shell:

C-like Syntax: The syntax of C shell is inspired by the C programming language.

Interactive Use: Has features such as command history, job control, and aliasing.

Scripting: C shell can be used to write shell scripts.

Linux - Bye

The following is a Linux dictionary word of the day:

bye – exit command from shell being utilized.

Example: bye

Note: In many Linux systems this command can be utilized via the exit command.

Linux - Bzip2

The following is a Linux dictionary word of the day:

bzip2 – compress or decompress named file(s).

-d parameter for decompression of compressed files.

-z parameter to force compression.

Examples:

bzip2 -z testfile.txt

bzip2 -d testfile.txt.bz2

Linux - Builtin

The following is a Linux dictionary word of the day:

builtin – runs shell or functionality which is incorporated into the operating system.

In Linux, built-in commands are integrated directly into the shell itself, rather than being separate executable files. Such commands are executed within the shell process, making them faster and more efficient. 

Linux - BS

The following is a Linux dictionary word of the day:

bs – executes the battleship game.

-b parameter that stands for blitz and allows a side to shoot for as long as it continues to score hits

-s parameter that stands for salvo and allows a player one shot per turn for each of the ships still afloat.

-c parameter that stands for close pack and allows ships to be placed adjacently.

Examples: bs

bs -b