Update cheatsheets

tldr/cmp

@@ -18,7 +18,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Output the byte numbers and values of every difference:
 
-`cmp {{[-v|--verbose]}} {{path/to/file1}} {{path/to/file2}}`
+`cmp {{[-l|--verbose]}} {{path/to/file1}} {{path/to/file2}}`
 
 - Compare files but output nothing, yield only the exit status:
 

tldr/column

@@ -32,4 +32,4 @@ bar,foo
 `printf "header1
 bar
 foobar
-" | column {{[-c|{{[-c|--output-width]}}]}} {{30}} {{[-x|--fillrows]}}`
+" | column {{[-c|--output-width]}} {{30}} {{[-x|--fillrows]}}`

tldr/linux/man

@@ -14,7 +14,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Open the man page for a command in a browser (`BROWSER` environment variable can replace `=browser_name`):
 
-`man {{[-H|--html=]}}{{browser_name}} {{command}}`
+`man {{[-Hbrowser_name|--html=browser_name]}} {{command}}`
 
 - Display the man page for a command from section 7:
 

tldr/linux/shutdown

@@ -24,6 +24,6 @@ source: https://github.com/tldr-pages/tldr.git
 
 `shutdown -h 13:00`
 
-- [c]ancel a pending shutdown/reboot operation:
+- Cancel a pending shutdown/reboot operation:
 
 `shutdown -c`

tldr/linux/strace

@@ -8,11 +8,11 @@ source: https://github.com/tldr-pages/tldr.git
 > Troubleshooting tool for tracing system calls.
 > More information: <https://manned.org/strace>.
 
-- Start tracing a specific [p]rocess by its PID:
+- Start tracing a specific process by its PID:
 
 `strace {{[-p|--attach]}} {{pid}}`
 
-- Trace a [p]rocess and filter output by system call [e]xpression:
+- Trace a process and filter output by system call [e]xpression:
 
 `strace {{[-p|--attach]}} {{pid}} -e {{system_call,system_call2,...}}`
 

tldr/ps

@@ -26,7 +26,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - List all processes of the current user as a tree:
 
-`ps {{[-u|--user]}} $(id {{[-u|--user]}}) {{[f|--forest]}}`
+`ps {{[-u|--user]}} $(id {{[-u|--user]}}) f`
 
 - Get the parent PID of a process:
 

tldr/tail

@@ -27,7 +27,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Keep reading file until `<Ctrl c>`, even if the file is inaccessible:
 
-`tail --retry {{[-f|--follow]}} {{path/to/file}}`
+`tail {{[-F|--retry --follow]}} {{path/to/file}}`
 
 - Show last 'num' lines in 'file' and refresh every 'n' seconds:
 

tldr/tcpdump

@@ -26,7 +26,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Capture the traffic from a specific interface, source, destination and destination port:
 
-`tcpdump {{[-i|--interface]} {{eth0}} src {{192.168.1.1}} and dst {{192.168.1.2}} and dst port {{80}}`
+`sudo tcpdump {{[-i|--interface]} {{eth0}} src {{192.168.1.1}} and dst {{192.168.1.2}} and dst port {{80}}`
 
 - Capture the traffic of a network: