GNU sh-utils

A set of shell utilities

for version 2.0, 31 July 1999

This manual documents version 2.0 of the GNU shell utilities.

• 1 Introduction
• 2 Common options
• 3 Date input formats
  • 3.1 General date syntax
  • 3.2 Calendar date item
  • 3.3 Time of day item
  • 3.4 Time zone item
  • 3.5 Day of week item
  • 3.6 Relative item in date strings
  • 3.7 Pure numbers in date strings
  • 3.8 Authors of getdate
• 4 Printing text
  • 4.1 echo: Print a line of text
  • 4.2 printf: Format and print data
  • 4.3 yes: Print a string until interrupted
• 5 Conditions
  • 5.1 false: Do nothing, unsuccessfully
  • 5.2 true: Do nothing, successfully
  • 5.3 test: Check file types and compare values
    • 5.3.1 File type tests
    • 5.3.2 Access permission tests
    • 5.3.3 File characteristics tests
    • 5.3.4 String tests
    • 5.3.5 Numeric tests
    • 5.3.6 Connectives for test
  • 5.4 expr: Evaluate expressions
    • 5.4.1 String expressions
    • 5.4.2 Numeric expressions
    • 5.4.3 Relations for expr
    • 5.4.4 Examples of using expr
• 6 Redirection
  • 6.1 tee: Redirect output to multiple files
• 7 File name manipulation
  • 7.1 basename: Strip directory and suffix from a file name
  • 7.2 dirname: Strip non-directory suffix from a file name
  • 7.3 pathchk: Check file name portability
• 8 Working context
  • 8.1 pwd: Print working directory
  • 8.2 stty: Print or change terminal characteristics
    • 8.2.1 Control settings
    • 8.2.2 Input settings
    • 8.2.3 Output settings
    • 8.2.4 Local settings
    • 8.2.5 Combination settings
    • 8.2.6 Special characters
    • 8.2.7 Special settings
  • 8.3 printenv: Print all or some environment variables
  • 8.4 tty: Print file name of terminal on standard input
• 9 User information
  • 9.1 id: Print real and effective uid and gid
  • 9.2 logname: Print current login name
  • 9.3 whoami: Print effective user id
  • 9.4 groups: Print group names a user is in
  • 9.5 users: Print login names of users currently logged in
  • 9.6 who: Print who is currently logged in
• 10 System context
  • 10.1 date: Print or set system date and time
    • 10.1.1 Time directives
    • 10.1.2 Date directives
    • 10.1.3 Literal directives
    • 10.1.4 Padding
    • 10.1.5 Setting the time
    • 10.1.6 Options for date
    • 10.1.7 Examples of date
  • 10.2 uname: Print system information
  • 10.3 hostname: Print or set system name
• 11 Modified command invocation
  • 11.1 chroot: Run a command with a different root directory
  • 11.2 env: Run a command in a modified environment
  • 11.3 nice: Run a command with modified scheduling priority
  • 11.4 nohup: Run a command immune to hangups
  • 11.5 su: Run a command with substitute user and group id
• 12 Delaying
  • 12.1 sleep: Delay for a specified time
• 13 Numeric operations
  • 13.1 factor: Print prime factors
  • 13.2 seq: Print numeric sequences
• Index

This document was generated on 27 May 2000 using the texi2html translator version 1.51a.