OpenNet.ru - Unix/Linux Manual Pages

Section 1: User Commands

  • ls - list directory contents
  • cp - copy files and directories
  • mv - move (rename) files
  • rm - remove files or directories

Section 2: System Calls

  • fork - create a child process
  • open - open and possibly create a file
  • read - read from a file descriptor
  • write - write to a file descriptor

Section 3: Library Functions

  • printf - formatted output conversion
  • malloc - allocate memory
  • free - free allocated memory
  • strcpy - copy a string

Section 4: Special Files

  • null - data sink
  • random - kernel random number source
  • tty - controlling terminal
  • zero - data source and sink

Section 5: File Formats

  • passwd - password file
  • fstab - static information about filesystems
  • hosts - static table lookup for hostnames
  • crontab - tables for driving cron

Section 8: System Administration

  • mount - mount a filesystem
  • ifconfig - configure a network interface
  • shutdown - bring the system down
  • iptables - administration tool for IPv4 packet filtering and NAT