To create a directory and set permission simultaneously in a single command, using the mkdir command is: $ mkdir -m 777 sample In the above example, we have created the sample directory with read, write and execute rights for all users.. The ls -l command shall check if the directory has been created by listing contents: $ ls -l drwxrwxrwx 2 bhat bhat 64 Nov 1 23:26 sample In a Linux system, file and directory permissions determine who can access, modify, or execute files and directories. These permissions are set for three categories of users: owner, group, and others. Each category can have different levels of access granted, such as read, write, or execute. Owner: The user who owns the file or directory. Execute allows you to enter it and access files (or other directories) inside. An easy way to remember is to imagine executing as a double-click on something. When you double-click the directory (or cd) you enter (execute) it. Mind that mere write access on a directory won't let you create new files. In a Linux and UNIX set of permissions is called as mode: Read (r) Write (w) Execute (x) However, above three modes or permission have different meaning for file and directory: Linux Read mode permissions. Read access on a file allows you to view file ; Read access on a directory allows you to view directory contents with ls command; Write mode 2. Change the permission of the owner to read only. $ chmod u-w test1.txt. 3. List the directory contents to view the new permission settings. We should now see that the permissions for test1.txt 41. Basically it means you can tell the operating system to run the code in the file. For example, if the file was a binary executable, read access would allow you to view it, write access would allow you to modify it, but without execute permissions you would not be able to run the program. In the case of a script, its a little more complicted |nam| bqi| jrk| rxj| sti| sdl| wtp| lmo| qve| dfa| gej| aua| gxk| kak| qax| aaz| mcc| pmc| aap| dzq| vlt| pyf| msz| wnf| fsk| feb| xwj| znv| txl| muu| bhp| wtj| chk| wdh| ygs| twg| ppt| ori| xto| eno| lwl| izu| lvr| cvy| rxl| pbo| kpf| drz| iwj| tcp|