TLDR
Enter a command. For example: atq, timidity, openssl genpkey.

for

 
Perform a command several times. More information: https://www.gnu.org/software/bash/manual/bash.html#Looping-Constructs.
 
  • Execute the given commands for each of the specified items:
     
    for {{variable}} in {{item1 item2 ...}}; do {{echo "Loop is executed"}}; done
     
  • Iterate over a given range of numbers:
     
    for {{variable}} in {{{from}}..{{to}}..{{step}}}; do {{echo "Loop is executed"}}; done
     
  • Iterate over a given list of files:
     
    for {{variable}} in {{path/to/file1 path/to/file2 ...}}; do {{echo "Loop is executed"}}; done
     
  • Iterate over a given list of directories:
     
    for {{variable}} in {{path/to/directory1/ path/to/directory2/ ...}}; do {{echo "Loop is executed"}}; done
     
  • Perform a given command in every directory:
     
    for {{variable}} in */; do (cd "${{variable}}" || continue; {{echo "Loop is executed"}}) done

This is a tldr pages (source, CC BY 4.0) web wrapper for cheat-sheets.org. All commands, popular commands, most used linux commands. Referrals. Progressive Web Application (PWA) version to install on your device.