Navigation and paths

Articles

• pwd — the working directory — The Bash builtin prints the logical or physical path of the current directory.
• cd — changing directory — Moving around the filesystem: cd, cd -, cd ~, cd .., pushd/popd, CDPATH.
• echo — printing text — Printing strings and variables; -n and -e, escaping, when to prefer printf.
• Basic file commands — Navigation and files — ls, cd, cp, mv, rm, cat, less, head, tail, terminal copy-paste.
• ls — list directory contents — The ls command lists files and directories with permissions, owner, size and modification time, hidden ones too.
• Paths — basename, dirname, realpath — Splitting a path into a name and a directory, getting an absolute path; a script's own directory.
• find — searching for files — Finding files by name, size, time, permissions; acting on what's found.
• cat — print a whole file — The cat command prints a file's contents to the terminal and joins several files into one stream.