File commands in unix

File Commands
  • ls directory listing
  • ls-al-formatted listing with hidden files
  • cd dir-change directory to dir
  • cd change to home
  • pwd show current directory
  • mkdir dir- create a directory dir
  • rm file delete file
  • rm-r dir delete directory dir
  • rm-f file force remove file
  • rm rf dir force remove directory dir*
  • cp filel file2 copy filel to file2
  • cp r dir1 dir2 - copy dirl to dir2; create dir2 if it doesn't exist
  • mv file1 file2 - rename or move file1 to file2. if file2 is an existing directory, moves filel1 into directory file2
  • ln-s file link- create symbolic link link to file
  • touch file - create or update file
  • cat file - places standard input into file
  • more file - output the contents of file
  • head file output the first 10 lines of file
  • tail file - output the last 10 lines of file
  • tail f file - output the contents of file as it grows, starting with the last 10 lines.
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