C Archives - Page 68 of 76

perf – performance analysis tools

Performance counters for Linux are a kernel-based subsystem that provide a framework for all things performance analysis.

xxd creates a hex dump of a given file or standard input. It can also convert a hex dump back to its original binary form.

pstree shows the currently running processes as a tree. This is free and open source software written in the C programming language.

fuser identifies processes using files or sockets. It’s written in the C programming language and published under the GPL.

lsfd is intended to be a modern replacement for lsof on Linux systems. It’s free and open source software written in C.

bcal (Byte CALculator) is a REPL CLI utility for storage expression evaluation, SI/IEC conversion, byte address calculation, and more.

clac is a command line, stack-based calculator with postfix notation that displays the stack contents at all times.

Quich is a compact, fast, powerful and useful calculator for your terminal with numerous features. It’s written in C.

The programmer calculator is a simple terminal tool designed to give maximum efficiency and flexibility to the programmer.

wcalc is a command-line calculator designed to accept all valid mathematical expressions. It’s written in C.

calc is an interactive calculator which provides for easy large numeric calculations, but can be programmed for complex calculations.

bc-gh is an implementation of Unix dc and POSIX bc with GNU and BSD extensions. It’s free and open source software.

The doas utility is a program originally written for OpenBSD which allows a user to run a command as though they were another user.

pkexec allows an authorized user to execute a command as another user.

su allows commands to be run with a substitute user and group ID.