BSD System Compatibility

• apply - repeatedly apply a command to a group of arguments;
• basename - (BSD) return non-directory portion of a pathname
• chown - (BSD) change file ownwer
• deroff - (BSD) remove nroff, troff, tbl and eqn constructs
• df - (BSD) disk free
• du - (BSD) summarize disk usage
• echo - (BSD) echo arguments
• groups - (BSD) show group memberships
• install - (BSD) install files
• ln - (BSD) make links
• ls - (BSD) list contents of directory
• ps - (BSD) process status
• readlink - (BSD) displays the target of a symbolic link
• stty - (BSD) set the options for a terminal
• sum - (BSD) sum and count blocks in a file
• test - (BSD) condition command
• tr - (BSD) translate characters