Tag: Linux
Process Identification in Linux – Tutorial & Example
In this article we will discuss, how to differentiate and identify each process in linux. Process ID Each process in Linux has a unique id and has a parent. We can get the process id of a running process and its parent’s process id using following functions, Advertisements pid_t getpid() pid_t getppid() File to be …
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POSIX : How to get thread Id of a pthread in Linux | pthread_self() | pthread_equals()
In this article we will discuss how to get thread id of a pthread and compare different thread ids. How to get thread id of current thread Use pthread_self() to get the current thread id i.e. Advertisements #include <pthread.h> pthread_t pthread_self(void); It returns the thread id as pthread_t object for the calling thread. As main function is …
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Linux: Create directory or folder using mkdir command
In this article we will discuss how to create a single or multiple directories in Linux using mkdir command. Then we will see various examples like, creating folders with space in name or creating folders with different permissions or creating nested directories recursively in single command. Table of Contents mkdir command – Introduction Create a …
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Linux: Find files modified in last N minutes
In this article, we will discuss how to find files in Linux / Unix, that are modified in last few minutes using the find command. Table of Contents Overview of find command in Linux. Syntax of find command with “-mmin n” option. Find files modified in last 5 minutes in Linux. Find files modified in …
Linux: Find files larger than given size (gb/mb/kb/bytes)
In this article, we will discuss how to recursively find files which are larger than a given size in Linux, using the find command. Table of Contents Syntax of find command to find files bigger than given size in Linux. Find files larger than 4gb in Linux. Find files larger than 1gb in Linux. Find …
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Find latest modified files in a directory in Linux (Recursively)
In this article, we will learn about different ways to find the latest modified files in a folder and its subfolders in Linux. Table Of Contents Option 1 : Using ‘-mtime’ along with find command Option 2 : Using ‘-newermt’ along with find command Option 3 : Using ‘-mmin’ along with find command Summary: We …
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Find Files containing specific Text in Linux
In this article, we will discuss different ways to find files that contain a specific text. When we want to find the files containing specific text in our Linux system instead of searching for every directory, we can achieve this with the grep command. This article will guide you on how to find the files …
Print a directory structure like a tree in Linux
In this article, we will discuss how to print a directory structure like a tree in Linux. Table Of Contents Introduction Using tree command: Print all files and directories like tree Print Directories only Print Directories only like tree but with full path Print Directories like tree with controlled depth Print files in Directories like …
Change permissions for Directory & Sub-directories in Linux
In this article we will discuss different ways to change the permissions of a folder and all files or subdirectories inside it in Linux. Table Of Contents Introduction Permission Types Change permissions of a Directory & all files/sub-directories in it using chmod command: Example:1 Example:2 Find and Change Permissions of selected files/sub-directories inside a diretory …
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Recursively Count Files in a directory in Linux
In this article, we will learn to count files in a directory and in its sub directories recursively in Linux. Table Of Contents Introduction Using tree command Using the find and wc command Using locate command: Using rsync command Summary: Introduction Sometimes we come across a requirement to find the count of all files in …